John Searle: The Philosophy of Language - Sane Society — Transcript
Full transcript
- 0:00[Music]
- 0:19[Music]
- 0:26[Music]
- 0:34hello and welcome tonight we're speaking
- 0:35about the philosophy of language with me
- 0:38is professor John surl Professor surl
- 0:40has been teaching at the University of
- 0:42California at Berkeley since
- 0:451959 Professor surl thank you for coming
- 0:47thanks for having me all right well
- 0:49you've been a professor at the
- 0:50University of California at Berkeley for
- 0:53how many years 50 I guess it's 53 years
- 0:56I came here in
- 0:581959 and uh it adds up I've been a
- 1:00full-time Professor here since then do
- 1:02you hold the oldtime record I think I do
- 1:05I don't you see in the old days people
- 1:07were forced to retire when they got to
- 1:08be 70 years old now they figured out
- 1:11that's unconstitutional a bunch of old
- 1:13people in the Supreme Court figured if
- 1:14you can't fire people because they're
- 1:16black or female you can't fire them
- 1:17because they're over the age of 70
- 1:19anyway I can keep going indefinitely so
- 1:21I as they can't force me to retire and
- 1:23I'm having too much fun teaching I'm not
- 1:25going to retire great you're working on
- 1:28three books right now yes I am right
- 1:30youve plowed a lot of original ground on
- 1:32the philosophy of language starting with
- 1:34speech acts yes that was my first
- 1:37book now another of your books many of
- 1:40your books deal with Consciousness and
- 1:42then the whole Mind Body problem quote
- 1:44yes well I got from language I thought
- 1:46well my theory of language really makes
- 1:49heavy use of the mind because I see
- 1:51talking as performing intentional gold
- 1:54directed speech acts and that means they
- 1:55got to have some mental content so I
- 1:57thought I got to pay my due someday and
- 1:59I'm going to write book about the mind
- 2:01and then I discovered there's a whole a
- 2:04a garbage pit of bad philosophical views
- 2:07going on about the mind and I started
- 2:08getting debates about them and that went
- 2:11on to a whole bunch of other books that
- 2:12I wrote about the mind and then I got
- 2:14interested in society and I've written
- 2:15some books about Society what's the
- 2:16nature of
- 2:18society the Mind Body problem it's not
- 2:20quite the same as the stomach digestion
- 2:22problem no it's not but it ought to be
- 2:25that is we have this we have two
- 2:27conflicting Traditions both of which are
- 2:29s of confusion one tradition says
- 2:33there's God the soul and immortality and
- 2:36they're not part of the physical world
- 2:38and there's another tradition that says
- 2:41science is materialistic and there's no
- 2:44place in science for the mind now I
- 2:46think both these Traditions are mistaken
- 2:48I I think the mind is just a function of
- 2:50the brain it's the mental processes are
- 2:53processes that are produced by brain
- 2:54processes and they exist in the brain so
- 2:57I like to make this boring analogy
- 2:58roughly speaking I the mind is to the
- 3:01brain as digestion is to the stomach
- 3:03it's just something that that happens
- 3:06and it happens by natural biological
- 3:08processes but we know all of those
- 3:12natural biological processes for the
- 3:14digestion in the stomach but we cannot
- 3:16find or locate the part of the brain
- 3:19that generates what we call
- 3:20Consciousness well we're getting closer
- 3:22to that uh I was in the president's
- 3:24decade of the brain in the 1990s and we
- 3:27didn't solve the problems but we got a
- 3:29lot closer we know a whole lot more
- 3:31about the brain than we did when I first
- 3:34got interested in these issues about 20
- 3:35or 30 years ago still you're right we
- 3:38don't know how exactly the brain causes
- 3:42Consciousness uh we know quite a lot
- 3:44about specific processes like how the
- 3:47visual signal is processed from the time
- 3:49the photons hit the retina until it goes
- 3:51through all the parts of the brain and
- 3:53gets into the cortex but how exactly do
- 3:55you get over the hump from neuron
- 3:57firings to Consciousness that's a fast
- 3:59any question and we don't know the
- 4:01solution to that at least not yet but
- 4:03we're Lots closer than we
- 4:05were it it's amazing to think that all
- 4:08of the various physical Sensations that
- 4:10we experience uh the taste of something
- 4:13or the the sight or the feel of it it's
- 4:15all neurons firing at different frequeny
- 4:17it is a stunning fact that the enormous
- 4:20variety The Incredible variety of our
- 4:22conscious life everything from having a
- 4:24stomach ache to I don't know pick your
- 4:26favorite feeling the enst of
- 4:27post-industrial man under late cap Capal
- 4:29ISM all of that is caused by variable
- 4:32rates of neuron firings relative to
- 4:35specific neuronal architectures that's
- 4:37an amazing fact but as far as we know
- 4:39that's how it
- 4:40works it seems that Neuroscience is is a
- 4:44field that's exciting all the sciences
- 4:46that the
- 4:47psychology uh uh sort of ends there and
- 4:51philosophy uh ends there and and um
- 4:54there's a lot of uh uh
- 4:57interdisciplinary um in the Sciences now
- 5:00that I mean outside of quantum mechanics
- 5:02and
- 5:03some cosmology some exciting areas of
- 5:06physics I think the most exciting area
- 5:08of the science right now is neuroscience
- 5:11because here is this incredibly complex
- 5:14mechanism and we don't know how it works
- 5:17but we're finding out how it works we're
- 5:19finding out how memories are laid down
- 5:21in your brain we're even finding out why
- 5:23alcohol makes you drunk I so we've got
- 5:26all of this exciting areas of research
- 5:28going on and we are making a lot of
- 5:30progress however as I said the big Gulf
- 5:33and we haven't solved it yet is how
- 5:35exactly do neuron neuron neuronal
- 5:37processes cause Consciousness that's a
- 5:40beautiful question um and I hope it's
- 5:42solved in my lifetime but um excuse me
- 5:45may take longer do you um do you think
- 5:49it's a fair statement to call the brain
- 5:51the most complicated structure in the
- 5:52known universe well people always say
- 5:55that but you see complexity always is
- 5:58always relative to the the assignment of
- 6:00some kind of criteria for judging
- 6:03complexity is the Amazon
- 6:05jungle complex that's not really a fully
- 6:08meaningful question and I think the the
- 6:11problem with invoking complexity the
- 6:12brain is complex but for all we know the
- 6:15mechanisms by which Consciousness is
- 6:18produced in simple organisms may be
- 6:21simple mechanisms and it may be that
- 6:23that's the key to understanding human
- 6:25consciousness so if you think of DNA and
- 6:28how it produces the enormous complex
- 6:30variety of human phenotypes yes they are
- 6:33incredibly complex and the processes are
- 6:35complex all the same the structure of
- 6:38DNA is fairly simple and easily
- 6:41understandable so there there's a sort
- 6:43of fature of this discussion where
- 6:45people invoke complexity as kind of a
- 6:47magic term they get dazzled by the
- 6:49incredible complexity of the brain it is
- 6:51complex but we it doesn't follow from
- 6:53that that the mechanisms by which
- 6:55Consciousness are is produced uh are
- 6:58themselves extremely comp Lex mechanisms
- 7:00and there for all we know that lots of
- 7:02simple organisms may be conscious and if
- 7:05so their Consciousness may be produced
- 7:07by fairly simple
- 7:08mechanisms Chomsky talked about discret
- 7:11Infinity yeah um and uh you see that in
- 7:16language you see that from a very simple
- 7:18alphabet you get the amazing you get
- 7:20Shakespeare from the morse code you get
- 7:22Shakespeare yes um well chsky is right
- 7:25about that that we have a discrete set
- 7:28and a finite set of devices words
- 7:31morphemes and the and the Capa and rules
- 7:34for combining them and that gives us an
- 7:37infinite capacity and a capacity to
- 7:39generate an infinite number of different
- 7:42sentences and that's an extraordinary
- 7:44property of human languages there's no
- 7:46limit to the number of new things that
- 7:48we can say would you say that that
- 7:50property is unique to language or do you
- 7:52see it in biology well you see it in the
- 7:54DNA with a very limited number of base
- 7:56pairs you have all of the incredible the
- 7:58capacity for infinite generative
- 8:00capacity is not confined to language you
- 8:02can do it with with DNA or all all sorts
- 8:04of other combinatorial mechanisms but
- 8:06what's interesting about um language is
- 8:09not just that you have this infinite
- 8:11capacity I mean you could do that with
- 8:13infinite capacity 1 2 3 4 five but
- 8:16you've got compositionality that is to
- 8:18say in addition to the generative
- 8:21feature you've got the fact that you can
- 8:23figure out the meaning of the sentence
- 8:25just by knowing the meanings of the
- 8:27words and how they're combined in the
- 8:28sentence so I think the generativity is
- 8:32exciting but what makes it exciting is
- 8:34it's combined with composition you
- 8:37understand the meaning of sentences
- 8:38you've never heard before just because
- 8:40you know the meanings of the parts and
- 8:42how they're composed how they're
- 8:43combined in the sentence and intent and
- 8:46the well you can you see they have to be
- 8:48produced with an intent and what you do
- 8:51when you understand the sense is you
- 8:53understand the intention behind its
- 8:55utterance so this is the remarkable
- 8:57capacity about human language not only
- 8:59is we can um convey our intentional
- 9:03meanings to other people but we can have
- 9:06all kinds of intentional meanings all
- 9:08kinds of thought contents that we
- 9:09couldn't possibly have without language
- 9:11so language doesn't just describe a
- 9:14pre-existing State of Affairs a
- 9:17pre-existing set of thoughts but it
- 9:19enables us to have thoughts that we
- 9:21couldn't possibly have without language
- 9:23it's like stepping stones to cognition
- 9:25well it's more than just stepping stones
- 9:27it is a it is forms of cognition that
- 9:31are made possible by language that
- 9:33wouldn't be possible without it so for
- 9:35example you can't do mathematics if you
- 9:38don't have a language and indeed now I
- 9:40introduce another element that's writing
- 9:41you really can't do complex mathematics
- 9:44unless you have a written language and
- 9:46now just to add something to that much
- 9:49of our social reality of the reality of
- 9:52money and property and government and
- 9:55marriage and universities and cocktail
- 9:57parties and television programs that
- 9:59created by language which writing yeah
- 10:02well and and well especially written
- 10:04language you can have simple forms of
- 10:06institutional reality you can have uh
- 10:08forms of private property and and simple
- 10:11U governmental relations but to have
- 10:14complex forms of the kind that we have I
- 10:16mean think of our pres presidential
- 10:18election you cannot have that without
- 10:20written language the the phenomena are
- 10:22too complex to be conveyed just in an
- 10:25oral culture lasting commitments
- 10:28marriage yes
- 10:30now here's something that language gives
- 10:31us that no other animal has we have
- 10:34forms of commitment that are carried by
- 10:37language that pre-linguistic animals
- 10:40cannot have so for example a guy asked
- 10:43me to come to downtown Berkeley I and
- 10:46have a television talk and that gives me
- 10:49a reason for doing it which is
- 10:51independent of my other inclinations see
- 10:54my dog is very intelligent but he cannot
- 10:56make promises he can't undertake those
- 10:59sorts of commitments he cannot reason
- 11:01with obligations and operate with with
- 11:04commitments of various kinds so we've
- 11:06got not just infinite generative
- 11:08capacity and creative capacity for
- 11:10creating thought but we create a social
- 11:13reality and we create a set of binding
- 11:17relationships among human beings so I
- 11:20think in a way language is the glue that
- 11:22holds human civilization together
- 11:24because it creates all of these bonds it
- 11:27creates all of these desire independent
- 11:29reasons for actions like obligations
- 11:31commitments requirements duties and all
- 11:33the rest of
- 11:35it with all this power of language there
- 11:38comes a danger too of becoming too
- 11:41abstract yeah not keeping your feet on
- 11:43the ground referring to referring to
- 11:45referring well that's right um and the
- 11:48problem with um language I like your
- 11:50metaphor the feet on the ground because
- 11:52it's very important to remember to stay
- 11:55close to the real world and in my
- 11:57discipline philosophy there's always a
- 12:00temptation to go off into outer space
- 12:03into hot air and in fact there are
- 12:05various movements that make a career out
- 12:07of that there was something you're
- 12:09probably old enough to remember this but
- 12:10there was something called
- 12:12postmodernism uh and there there was a
- 12:14lot of hot air where they said well
- 12:16maybe all of reality is created by
- 12:18language and everything is a text and so
- 12:20on no language has to stay close to
- 12:22reality I if it is to be fully
- 12:25meaningful and if its meaning is to be
- 12:27comprehensible but and this is what
- 12:28makes it fascinating much of the reality
- 12:31that language has to stay close to is
- 12:34itself created by language so the
- 12:36reality of government the fact the
- 12:39reality of the election that we're
- 12:41having the reality of the candidacy and
- 12:43the voting all of those are linguistic
- 12:46phenomena they're created by language
- 12:48and yet in creating them in creating for
- 12:51example the office of the presidency and
- 12:54making a guy president of the United
- 12:55States we use semantics to create a
- 12:59power are set of powers that go beyond
- 13:01semantics so this again a remarkable
- 13:04property about language is that it
- 13:06serves to describe reality and we have
- 13:09to stay close to the non-linguistic
- 13:12reality that it describes but it also
- 13:14creates a reality the reality of instit
- 13:17what I call institutional facts like
- 13:19money and government and private
- 13:20property it creates a reality which we
- 13:23can then go on to describe in objective
- 13:27terms what about the danger in our
- 13:29social reality of the abstraction of
- 13:31money and the way that it runs people
- 13:34and you know it seems to be running the
- 13:36world and it's like an abstraction
- 13:38that's gotten away from us uh there are
- 13:39lots of dangers we can't control one is
- 13:43the powers that we create with these
- 13:45cognitive mechanisms can run out of
- 13:48control and one of the fascinating
- 13:51things that happened in the past
- 13:54decade was uh that the all my economists
- 13:57of friends have told me we'd never have
- 13:58another economic crisis like the 1930s
- 14:01because we know too much economics well
- 14:03it turns out we didn't know so much it
- 14:05got out of hand and of course A lot of
- 14:07people are now saying well I predicted
- 14:08that this was going to happen well of
- 14:10course I predicted that there was a
- 14:12housing bubble anybody could see that
- 14:13even in the city of Burkley but nobody
- 14:16quite was able to foresee what in fact
- 14:19happened or or in fact get a a correct
- 14:23solution to the problems so um I I don't
- 14:27want to give the idea that these
- 14:29institutional facts that we create with
- 14:32language are all sweetness and light on
- 14:34the contrary you can just as you can
- 14:36create Democrats and Republicans you can
- 14:38create Communists and fascists you can
- 14:40create all kinds of evil mechanisms
- 14:43using the linguistic devices so the our
- 14:46capacity to use language in all sorts of
- 14:49creative ways doesn't yet give us the
- 14:52moral constraints those have to be added
- 14:55to the to the power of language we have
- 14:58to see how to constrain our use of
- 15:01language with morality and intelligence
- 15:03so it doesn't get out of hand do you
- 15:06think that it's a technology that we
- 15:08fully understand enough to do the
- 15:10technology of language yes no I don't
- 15:12think it is no I I think we're still
- 15:14working on it um but we have made a lot
- 15:16of progress now I I think that some of
- 15:19that progress is going in the wrong
- 15:21direction I mean this isn't the time to
- 15:23go into a discussion of chomsky's
- 15:25linguistics but I think he neglects the
- 15:27fact that sentences are used to perform
- 15:31speech acts and a lot of the syntactical
- 15:33facts about what's what goes in a
- 15:35sentence and what doesn't go those can
- 15:37only be explained if you understand how
- 15:39it's used so we still don't have an
- 15:41adequate theory of the relation of
- 15:44structure and function in natural
- 15:46languages there are lots of theories
- 15:48about structure and I have tried to
- 15:50develop theories about function but what
- 15:52I would like to see and I'm not enough
- 15:55of a syn tactician to do this myself is
- 15:58a serious analysis of the relationship
- 16:00between structure and function I think
- 16:02that would be a fascinating study see
- 16:04here's the Paradox of of Chomsky admir
- 16:07his work enormously but he's had now
- 16:09more than 50 years and there are no set
- 16:13of results that competence that
- 16:15competent linguists are prepared to
- 16:16agree on it's not like other Sciences
- 16:19see in biology we've got results that
- 16:21competent biologists agree on that's not
- 16:23really true in linguistics that's still
- 16:25divided into these Waring factions do
- 16:28you agree with ch that language is a
- 16:30facility that we innately have like
- 16:32Vision yes I I think that's right that
- 16:35we have this ability but that doesn't
- 16:37really say very much there's a friend of
- 16:38mine Dan Everett who uh found a language
- 16:41in the Amazon basin where he went and
- 16:44lived with those people for 30 years and
- 16:46he found a language there that doesn't
- 16:47follow chomsky's rules Chomsky says that
- 16:50all language has to have recursive rules
- 16:53and he says I don't know who's right in
- 16:55this but certainly he raises an
- 16:56interesting possibility that the pahad
- 16:59the tribe he studies the Amazon basin
- 17:01they don't have these rules that have
- 17:02these mathematical properties that
- 17:04Chomsky described they can't make
- 17:06relative clauses they can't say I met
- 17:08the man who knew my mother they have to
- 17:10say I met the man the man knew my mother
- 17:12but they can't make a relative clause
- 17:14and that's just the fact about their
- 17:16language is that they don't have
- 17:17recursion I don't see why that's
- 17:19impossible though it was though it's a
- 17:21counterexample to chomsky's
- 17:24views I recall you mentioning once U
- 17:27something about uh the sort of dualism
- 17:30that that people tend to to lapse into
- 17:32when they're thinking you were
- 17:34describing um
- 17:36your uh theories about uh one
- 17:39philosopher I think it was um wienstein
- 17:41wienstein
- 17:43yeah um you you liked his early work um
- 17:47but you thought that it needed some some
- 17:50amending or those ideas were incomplete
- 17:53and someone another philosopher said
- 17:54well then you must like the second work
- 17:57and you said no I I I I just think the
- 17:59first work needs uh uh those ideas need
- 18:02some developing yeah and I it's just
- 18:04it's something that that I see all the
- 18:06time around me is it it seems like um
- 18:09this sort of a a binary dualism where
- 18:11it's like a an excuse not to think it's
- 18:14like if it's not communism it's
- 18:15capitalism or if it's not a it's B you
- 18:17know or if it's not zero it's one um do
- 18:20you have any thoughts on well I I I
- 18:22think in fact there are valuable parts
- 18:24of both early wienstein and later vien
- 18:27Stein my own approach to langu is really
- 18:30different from either of those but still
- 18:32vien Stein was one of the great
- 18:33philosophers of the 20th century made an
- 18:35enormous contradiction the point you're
- 18:38making now is that we do tend to think
- 18:40in binary categories good guys and bad
- 18:43guys uh the people were for and the
- 18:46people were against and of course real
- 18:48life is much too complicated to make
- 18:50those categories and I think part of
- 18:52what we try to teach people in education
- 18:55particularly in education and philosophy
- 18:57is to get a richer set of categories and
- 19:00one indeed one of the things that you
- 19:02get of an education which isn't really
- 19:05officially a very well marked but it
- 19:08certainly is the mark of an educated
- 19:10person and that is the ability to make
- 19:13subtle
- 19:14discriminations so it is just good and
- 19:16bad but there are all kinds of nice ways
- 19:20of describing what exactly is good about
- 19:22it and what is bad about it there's a
- 19:25kind of manism that pervades popular
- 19:27culture and we're all
- 19:29victims of it we think well the guys on
- 19:31our side those are the good guys and the
- 19:33guys on the other side those are really
- 19:35the bad guys yeah and this really comes
- 19:38out especially strong in elections The
- 19:41Secret of successful democracies is it
- 19:44really shouldn't make too much
- 19:46difference who gets elected I think life
- 19:49will I mean I happen to be for one
- 19:51candidate and not the other but I
- 19:52recognize that for the most part Life
- 19:54Will Go On even if the other guys uh get
- 19:58elected
- 19:59whereas the your real dichotomy people
- 20:02think no this would be the end of
- 20:04civilization as we know it if the bad
- 20:06guys get elected in the case of
- 20:07democracies that's not true successful
- 20:10democracies have to allow for genuine
- 20:13Alternatives coming to power and the the
- 20:16reason for that is that the outcome of
- 20:18the election doesn't actually settle the
- 20:21major questions who's going to live and
- 20:22who's going to die who's going to be
- 20:24rich and who's going to be poor you
- 20:26don't want those issues settled at
- 20:27elections do you think that um we'd be
- 20:30better served with the proportional
- 20:33representation and multiple parties and
- 20:35now we we're getting off the topic
- 20:37you're getting off the topic but but uh
- 20:39no I don't I think what you want is a
- 20:41kind of stability and in particular in
- 20:43America with this enormous complexity
- 20:46and pluralism and all these different
- 20:48factions and all these different
- 20:49traditions and cultures it's very
- 20:52important that you not just divide up
- 20:55the government of the country in a whole
- 20:56lot of quarreling factions and the fact
- 20:59that the executive has to be controlled
- 21:01by one party or another forces us to
- 21:03have a two-party system it forces all
- 21:06sorts of diverse groups to come together
- 21:08and I think that's part of the
- 21:09unconscious Genius of the American
- 21:11Constitution is it forces us uh to a
- 21:14kind of agreement that you wouldn't get
- 21:16in a in a a plural system in a well in a
- 21:21constitu in a a parliamentary type
- 21:25system you know to go back to pany ism
- 21:28for a minute you you mentioned that you
- 21:31could see where it's attractive to
- 21:32people yeah um I think of the many
- 21:35indigenous people that that felt like
- 21:37there was Spirit everywhere and that was
- 21:39was well let me tell you exactly what's
- 21:41wrong with it pans psychism is the view
- 21:43that everything is conscious
- 21:46Consciousness is everywhere I'm
- 21:48reviewing a book for the New York Review
- 21:50where the author says the universe is
- 21:53suffused with Consciousness now that is
- 21:56hot air and I can tell you why why
- 21:58people are tempted to it and why it's uh
- 22:02nonsense they're tempted to it because
- 22:04as I said earlier we don't know how the
- 22:06brain creates Consciousness and it's
- 22:08tempting to think well maybe it doesn't
- 22:10create Consciousness maybe Consciousness
- 22:12is there everywhere like gravity it just
- 22:14everywhere is uh pervaded with
- 22:16Consciousness and then we have little
- 22:18Islands or little pools of Consciousness
- 22:21in our heads but really Consciousness is
- 22:24everywhere now what's wrong without the
- 22:25proof of that isn't there a leap of
- 22:26logic on your part as well yeah well the
- 22:29the let me tell you what's incoherent
- 22:31about that view Consciousness comes in
- 22:35units my Consciousness is not the same
- 22:38as your Consciousness and they're not
- 22:40like adjoining puddles of mud that kind
- 22:42of leak into each other no there's a
- 22:44place where my Consciousness ends and
- 22:46yours begins and the pro all
- 22:49Consciousness comes in units now the
- 22:50problem with pan psychism is they can't
- 22:52say what the units are see I reviewed a
- 22:54guy who said well maybe thermostats are
- 22:56conscious why the thermostat why not
- 22:58each screw in the thermostat why not the
- 23:01building why not the whole heating
- 23:02system why not the whole city is that
- 23:04chers and if you say it was in fact yeah
- 23:07if but if you then say
- 23:09well um uh then all of these are
- 23:13conscious then what's the relationship
- 23:15between their Consciousness you see if
- 23:17you say my brain is clearly conscious
- 23:19but suppose you say but my so is my
- 23:20thumb and my fingernail and each
- 23:22molecule in my stomach what's the
- 23:23relation between those Consciousness and
- 23:26the consciousness of my brain so the Inc
- 23:28cerence of psychism can be stated in one
- 23:31sentence Consciousness comes in units
- 23:35and the panus cannot tell us what the
- 23:37units
- 23:39are you know on a spiritual level I
- 23:42remember reading a philosopher a couple
- 23:45different philosophers talking about the
- 23:47devel long development of sentience and
- 23:49and our language ability and and saying
- 23:52that that that this is when Nature
- 23:54became aware of itself because it now
- 23:57had created a creature that
- 24:00could understand the existence of Nature
- 24:02and talk about it and yeah and things
- 24:04like that and and my reaction to that
- 24:08was that it seemed uh uh some
- 24:11anthropomorphic yes it does you know I
- 24:13don't think that that's that nature
- 24:15became aware of itself when we became
- 24:17fully Cent most Consciousness in the
- 24:19universe is not self-aware most
- 24:21conscious in the universe is in animals
- 24:23or fish or birds that are not busy
- 24:27reflecting on thems elves their
- 24:29Consciousness functions biologically to
- 24:31assist in their survival but human
- 24:34consciousness which allows for the
- 24:36consciousness of Consciousness that is
- 24:38allows us to for for us to become
- 24:41conscious of our own conscious States
- 24:42and reflect on them and indeed to
- 24:44reflect on our reflecting on those
- 24:46conscious States as you and I are now
- 24:47doing I doubt very much that that goes
- 24:50very far down the philogenetic scale as
- 24:52it happens I'm a dog lover uh and I have
- 24:55a sequence of wonderful dogs the my
- 24:57favorite is the bernes mountain dog now
- 24:59these are intelligent dogs but I know
- 25:02they're not busy reflecting on this
- 25:05nature of their own introspective
- 25:07capacities they're mostly thinking about
- 25:09the cats they're going to chase and the
- 25:10bones that they're going to eat and they
- 25:12don't have the the time or the capacity
- 25:15to reflect on reflection they're not
- 25:17thinking about what a good bone it was
- 25:19yesterday well I maybe they're thinking
- 25:21about that I hope so but they do not
- 25:23have this remarkable capacity that human
- 25:25consciousness have and I think most of
- 25:27it we couldn't have without language
- 25:28to have these second and third and
- 25:30fourth level Consciousness where you
- 25:32have something that refers to referring
- 25:34and refers to referring to referring and
- 25:36that's extremely sophisticated it's not
- 25:38a feature of Consciousness in
- 25:40general well Professor surl we have a
- 25:42minute left um would you like to talk
- 25:45about what you're working on now your B
- 25:46yes I'm writing three books and the one
- 25:48I was working on today which I think is
- 25:50very exciting is
- 25:52perception I and if you know anything
- 25:54about the history of philosophy you know
- 25:56that the uh subject of perception is a
- 25:59horrendous mess mostly because a mistake
- 26:01made in the 17th century that says well
- 26:03you never really perceive the real world
- 26:06you only perceive your own experiences
- 26:09and then you have to ask how do you get
- 26:12from your experiences that you do
- 26:13perceive to the real world that you
- 26:15don't perceive is that decart or well
- 26:17that's decart and lock and then the
- 26:20question was rejected by Barkley and
- 26:22whom said well really the real world
- 26:23just is your experiences and that's
- 26:25another disaster so what we have to do I
- 26:28mean the perception is exciting because
- 26:30we want to be able to explain how our
- 26:32perceptual apparatus is conscious and
- 26:35consists of these conscious States but
- 26:37at the same time it gives us direct
- 26:39presentation of objects and states of
- 26:40Affairs in the world that's what I'm
- 26:42working on now two other books one on
- 26:44language and another one on philosophy
- 26:46in general I thought I'd write a general
- 26:48book about how to do philosophy good
- 26:51well Professor surl thank you so much
- 26:52for taking time out of your schedule to
- 26:54come talk to us well thank you very much
- 26:55for having me all right and thank you
- 26:58for watching good night
- 27:04[Music]
- 27:11[Music]
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