essays on life, art and science-µÚ32ÕÂ
°´¼üÅÌÉÏ·½Ïò¼ü ¡û »ò ¡ú ¿É¿ìËÙÉÏÏ·ҳ£¬°´¼üÅÌÉ쵀 Enter ¼ü¿É»Øµ½±¾ÊéĿ¼ҳ£¬°´¼üÅÌÉÏ·½Ïò¼ü ¡ü ¿É»Øµ½±¾Ò³¶¥²¿£¡
¡ª¡ª¡ª¡ªÎ´ÔĶÁÍꣿ¼ÓÈëÊéÇ©ÒѱãÏ´μÌÐøÔĶÁ£¡
as¡¡matters¡¡of¡¡course¡£¡¡¡¡If¡¡they¡¡have¡¡been¡¡lucky¡¡they¡¡make¡¡a¡¡note¡¡of
it¡¡and¡¡try¡¡to¡¡repeat¡¡their¡¡success¡£¡¡¡¡If¡¡they¡¡have¡¡been¡¡unfortunate
but¡¡have¡¡recovered¡¡rapidly¡¡they¡¡soon¡¡forget¡¡it£»¡¡if¡¡they¡¡have
suffered¡¡long¡¡and¡¡deeply¡¡they¡¡grizzle¡¡over¡¡it¡¡and¡¡are¡¡scared¡¡and
scarred¡¡by¡¡it¡¡for¡¡a¡¡long¡¡time¡£¡¡¡¡The¡¡question¡¡is¡¡one¡¡of¡¡cognisance¡¡or
non¡cognisance¡¡on¡¡the¡¡part¡¡of¡¡the¡¡new¡¡germs£»¡¡of¡¡the¡¡more¡¡profound
impressions¡¡made¡¡on¡¡them¡¡while¡¡they¡¡were¡¡one¡¡with¡¡their¡¡parents£»
between¡¡the¡¡occasion¡¡of¡¡their¡¡last¡¡preceding¡¡development£»¡¡and¡¡the
new¡¡course¡¡on¡¡which¡¡they¡¡are¡¡about¡¡to¡¡enter¡£¡¡¡¡Those¡¡who¡¡accept¡¡the
theory¡¡put¡¡forward¡¡independently¡¡by¡¡Professor¡¡Hering¡¡of¡¡Prague
£¨whose¡¡work¡¡on¡¡this¡¡subject¡¡is¡¡translated¡¡in¡¡my¡¡book£»¡¡¡¨Unconscious
Memory¡¨£©¡¡£û40£ý¡¡and¡¡by¡¡myself¡¡in¡¡¡¨Life¡¡and¡¡Habit£»¡¨¡¡£û41£ý¡¡believe¡¡in
cognizance£»¡¡as¡¡do¡¡Lamarckians¡¡generally¡£¡¡¡¡Weismannites£»¡¡and¡¡with
them¡¡the¡¡orthodoxy¡¡of¡¡English¡¡science£»¡¡find¡¡non¡cognisance¡¡more
acceptable¡£
If¡¡the¡¡Heringian¡¡view¡¡is¡¡accepted£»¡¡that¡¡heredity¡¡is¡¡only¡¡a¡¡mode¡¡of
memory£»¡¡and¡¡an¡¡extension¡¡of¡¡memory¡¡from¡¡one¡¡generation¡¡to¡¡another£»
then¡¡the¡¡repetition¡¡of¡¡its¡¡development¡¡by¡¡any¡¡embryo¡¡thus¡¡becomes
only¡¡the¡¡repetition¡¡of¡¡a¡¡lesson¡¡learned¡¡by¡¡rote£»¡¡and£»¡¡as¡¡I¡¡have
elsewhere¡¡said£»¡¡our¡¡view¡¡of¡¡life¡¡is¡¡simplified¡¡by¡¡finding¡¡that¡¡it¡¡is
no¡¡longer¡¡an¡¡equation¡¡of£»¡¡say£»¡¡a¡¡hundred¡¡unknown¡¡quantities£»¡¡but¡¡of
ninety¡nine¡¡only£»¡¡inasmuch¡¡as¡¡two¡¡of¡¡the¡¡unknown¡¡quantities¡¡prove¡¡to
be¡¡substantially¡¡identical¡£¡¡¡¡In¡¡this¡¡case¡¡the¡¡inheritance¡¡of
acquired¡¡characteristics¡¡cannot¡¡be¡¡disputed£»¡¡for¡¡it¡¡is¡¡postulated¡¡in
the¡¡theory¡¡that¡¡each¡¡embryo¡¡takes¡¡note¡¡of£»¡¡remembers¡¡and¡¡is¡¡guided
by¡¡the¡¡profounder¡¡impressions¡¡made¡¡upon¡¡it¡¡while¡¡in¡¡the¡¡persons¡¡of
its¡¡parents£»¡¡between¡¡its¡¡present¡¡and¡¡last¡¡preceding¡¡development¡£¡¡¡¡To
maintain¡¡this¡¡is¡¡to¡¡maintain¡¡use¡¡and¡¡disuse¡¡to¡¡be¡¡the¡¡main¡¡factors
throughout¡¡organic¡¡development£»¡¡to¡¡deny¡¡it¡¡is¡¡to¡¡deny¡¡that¡¡use¡¡and
disuse¡¡can¡¡have¡¡any¡¡conceivable¡¡effect¡£¡¡¡¡For¡¡the¡¡detailed¡¡reasons
which¡¡led¡¡me¡¡to¡¡my¡¡own¡¡conclusions¡¡I¡¡must¡¡refer¡¡the¡¡reader¡¡to¡¡my
books£»¡¡¡¨Life¡¡and¡¡Habit¡¨¡¡£û42£ý¡¡and¡¡¡¨Unconscious¡¡Memory£»¡¨¡¡£û42£ý¡¡the
conclusions¡¡of¡¡which¡¡have¡¡been¡¡often¡¡adopted£»¡¡but¡¡never£»¡¡that¡¡I¡¡have
seen£»¡¡disputed¡£¡¡¡¡A¡¡brief¡¡resume¡¡of¡¡the¡¡leading¡¡points¡¡in¡¡the
argument¡¡is¡¡all¡¡that¡¡space¡¡will¡¡here¡¡allow¡¡me¡¡to¡¡give¡£
We¡¡have¡¡seen¡¡that¡¡it¡¡is¡¡a¡¡first¡¡requirement¡¡of¡¡heredity¡¡that¡¡there
shall¡¡be¡¡physical¡¡continuity¡¡between¡¡parents¡¡and¡¡offspring¡£¡¡¡¡This
holds¡¡good¡¡with¡¡memory¡£¡¡¡¡There¡¡must¡¡be¡¡continued¡¡identity¡¡between
the¡¡person¡¡remembering¡¡and¡¡the¡¡person¡¡to¡¡whom¡¡the¡¡thing¡¡that¡¡is
remembered¡¡happened¡£¡¡¡¡We¡¡cannot¡¡remember¡¡things¡¡that¡¡happened¡¡to
some¡¡one¡¡else£»¡¡and¡¡in¡¡our¡¡absence¡£¡¡¡¡We¡¡can¡¡only¡¡remember¡¡having
heard¡¡of¡¡them¡£¡¡¡¡We¡¡have¡¡seen£»¡¡however£»¡¡that¡¡there¡¡is¡¡as¡¡much¡¡bona¡
fide¡¡sameness¡¡of¡¡personality¡¡between¡¡parents¡¡and¡¡offspring¡¡up¡¡to¡¡the
time¡¡at¡¡which¡¡the¡¡offspring¡¡quits¡¡the¡¡parent's¡¡body£»¡¡as¡¡there¡¡is
between¡¡the¡¡different¡¡states¡¡of¡¡the¡¡parent¡¡himself¡¡at¡¡any¡¡two
consecutive¡¡moments£»¡¡the¡¡offspring¡¡therefore£»¡¡being¡¡one¡¡and¡¡the¡¡same
person¡¡with¡¡its¡¡progenitors¡¡until¡¡it¡¡quits¡¡them£»¡¡can¡¡be¡¡held¡¡to
remember¡¡what¡¡happened¡¡to¡¡them¡¡within£»¡¡of¡¡course£»¡¡the¡¡limitations¡¡to
which¡¡all¡¡memory¡¡is¡¡subject£»¡¡as¡¡much¡¡as¡¡the¡¡progenitors¡¡can¡¡remember
what¡¡happened¡¡earlier¡¡to¡¡themselves¡£¡¡¡¡Whether¡¡it¡¡does¡¡so¡¡remember
can¡¡only¡¡be¡¡settled¡¡by¡¡observing¡¡whether¡¡it¡¡acts¡¡as¡¡living¡¡beings
commonly¡¡do¡¡when¡¡they¡¡are¡¡acting¡¡under¡¡guidance¡¡of¡¡memory¡£¡¡¡¡I¡¡will
endeavour¡¡to¡¡show¡¡that£»¡¡though¡¡heredity¡¡and¡¡habit¡¡based¡¡on¡¡memory¡¡go
about¡¡in¡¡different¡¡dresses£»¡¡yet¡¡if¡¡we¡¡catch¡¡them¡¡separatelyfor
they¡¡are¡¡never¡¡seen¡¡togetherand¡¡strip¡¡them¡¡there¡¡is¡¡not¡¡a¡¡mole¡¡nor
strawberry¡mark£»¡¡nor¡¡trick¡¡nor¡¡leer¡¡of¡¡the¡¡one£»¡¡but¡¡we¡¡find¡¡it¡¡in
the¡¡other¡¡also¡£
What¡¡are¡¡the¡¡moles¡¡and¡¡strawberry¡marks¡¡of¡¡habitual¡¡action£»¡¡or
actions¡¡remembered¡¡and¡¡thus¡¡repeated£¿¡¡¡¡First£»¡¡the¡¡more¡¡often¡¡we
repeat¡¡them¡¡the¡¡more¡¡easily¡¡and¡¡unconsciously¡¡we¡¡do¡¡them¡£¡¡¡¡Look¡¡at
reading£»¡¡writing£»¡¡walking£»¡¡talking£»¡¡playing¡¡the¡¡piano£»¡¡&c¡££»¡¡the
longer¡¡we¡¡have¡¡practised¡¡any¡¡one¡¡of¡¡these¡¡acquired¡¡habits£»¡¡the¡¡more
easily£»¡¡automatically¡¡and¡¡unconsciously£»¡¡we¡¡perform¡¡it¡£¡¡¡¡Look£»¡¡on
the¡¡other¡¡hand£»¡¡broadly£»¡¡at¡¡the¡¡three¡¡points¡¡to¡¡which¡¡I¡¡called
attention¡¡in¡¡¡¨Life¡¡and¡¡Habit¡¨£º¡
I¡£¡¡¡¡That¡¡we¡¡are¡¡most¡¡conscious¡¡of¡¡and¡¡have¡¡most¡¡control¡¡over¡¡such
habits¡¡as¡¡speech£»¡¡the¡¡upright¡¡position£»¡¡the¡¡arts¡¡and¡¡scienceswhich
are¡¡acquisitions¡¡peculiar¡¡to¡¡the¡¡human¡¡race£»¡¡always¡¡acquired¡¡after
birth£»¡¡and¡¡not¡¡common¡¡to¡¡ourselves¡¡and¡¡any¡¡ancestor¡¡who¡¡had¡¡not
become¡¡entirely¡¡human¡£
II¡£¡¡¡¡That¡¡we¡¡are¡¡less¡¡conscious¡¡of¡¡and¡¡have¡¡less¡¡control¡¡over¡¡eating
and¡¡drinking¡¡£§provided¡¡the¡¡food¡¡be¡¡normal£§£»¡¡swallowing£»¡¡breathing£»
seeing£»¡¡and¡¡hearingwhich¡¡were¡¡acquisitions¡¡of¡¡our¡¡prehuman
ancestry£»¡¡and¡¡for¡¡which¡¡we¡¡had¡¡provided¡¡ourselves¡¡with¡¡all¡¡the
necessary¡¡apparatus¡¡before¡¡we¡¡saw¡¡light£»¡¡but¡¡which¡¡are¡¡still£»
geologically¡¡speaking£»¡¡recent¡£
III¡£¡¡¡¡That¡¡we¡¡are¡¡most¡¡unconscious¡¡of¡¡and¡¡have¡¡least¡¡control¡¡over
our¡¡digestion¡¡and¡¡circulationpowers¡¡possessed¡¡even¡¡by¡¡our
invertebrate¡¡ancestry£»¡¡and£»¡¡geologically¡¡speaking£»¡¡of¡¡extreme
antiquity¡£
I¡¡have¡¡put¡¡the¡¡foregoing¡¡very¡¡broadly£»¡¡but¡¡enough¡¡is¡¡given¡¡to¡¡show
the¡¡reader¡¡the¡¡gist¡¡of¡¡the¡¡argument¡£¡¡¡¡Let¡¡it¡¡be¡¡noted¡¡that
disturbance¡¡and¡¡departure£»¡¡to¡¡any¡¡serious¡¡extent£»¡¡from¡¡normal
practice¡¡tends¡¡to¡¡induce¡¡resumption¡¡of¡¡consciousness¡¡even¡¡in¡¡the
case¡¡of¡¡such¡¡old¡¡habits¡¡as¡¡breathing£»¡¡seeing£»¡¡and¡¡hearing£»¡¡digestion
and¡¡the¡¡circulation¡¡of¡¡the¡¡blood¡£¡¡¡¡So¡¡it¡¡is¡¡with¡¡habitual¡¡actions¡¡in
general¡£¡¡¡¡Let¡¡a¡¡player¡¡be¡¡never¡¡so¡¡proficient¡¡on¡¡any¡¡instrument£»¡¡he
will¡¡be¡¡put¡¡out¡¡if¡¡the¡¡normal¡¡conditions¡¡under¡¡which¡¡he¡¡plays¡¡are
too¡¡widely¡¡departed¡¡from£»¡¡and¡¡will¡¡then¡¡do¡¡consciously£»¡¡if¡¡indeed¡¡he
can¡¡do¡¡it¡¡at¡¡all£»¡¡what¡¡he¡¡had¡¡hitherto¡¡been¡¡doing¡¡unconsciously¡£¡¡¡¡It
is¡¡an¡¡axiom¡¡as¡¡regards¡¡actions¡¡acquired¡¡after¡¡birth£»¡¡that¡¡we¡¡never
do¡¡them¡¡automatically¡¡save¡¡as¡¡the¡¡result¡¡of¡¡long¡¡practice£»¡¡the
stages¡¡in¡¡the¡¡case¡¡of¡¡any¡¡acquired¡¡facility£»¡¡the¡¡inception¡¡of¡¡which
we¡¡have¡¡been¡¡able¡¡to¡¡watch£»¡¡have¡¡invariably¡¡been¡¡from¡¡a¡¡nothingness
of¡¡ignorant¡¡impotence¡¡to¡¡a¡¡little¡¡somethingness¡¡of¡¡highly¡¡self¡
conscious£»¡¡arduous¡¡performance£»¡¡and¡¡thence¡¡to¡¡the
unselfconsciousness¡¡of¡¡easy¡¡mastery¡£¡¡¡¡I¡¡saw¡¡one¡¡year¡¡a¡¡poor¡¡blind
lad¡¡of¡¡about¡¡eighteen¡¡sitting¡¡on¡¡a¡¡wall¡¡by¡¡the¡¡wayside¡¡at¡¡Varese£»
playing¡¡the¡¡concertina¡¡with¡¡his¡¡whole¡¡body£»¡¡and¡¡snorting¡¡like¡¡a
child¡£¡¡¡¡The¡¡next¡¡year¡¡the¡¡boy¡¡no¡¡longer¡¡snorted£»¡¡and¡¡he¡¡played¡¡with
his¡¡fingers¡¡only£»¡¡the¡¡year¡¡after¡¡that¡¡he¡¡seemed¡¡hardly¡¡to¡¡know
whether¡¡he¡¡was¡¡playing¡¡or¡¡not£»¡¡it¡¡came¡¡so¡¡easily¡¡to¡¡him¡£¡¡¡¡I¡¡know¡¡no
exception¡¡to¡¡this¡¡rule¡£¡¡¡¡Where¡¡is¡¡the¡¡intricate¡¡and¡¡at¡¡one¡¡time
difficult¡¡art¡¡in¡¡which¡¡perfect¡¡automatic¡¡ease¡¡has¡¡been¡¡reached
except¡¡as¡¡the¡¡result¡¡of¡¡long¡¡practice£¿¡¡¡¡If£»¡¡then£»¡¡wherever¡¡we¡¡can
trace¡¡the¡¡development¡¡of¡¡automatism¡¡we¡¡find¡¡it¡¡to¡¡have¡¡taken¡¡this
course£»¡¡is¡¡it¡¡not¡¡most¡¡reasonable¡¡to¡¡infer¡¡that¡¡it¡¡has¡¡taken¡¡the
same¡¡even¡¡when¡¡it¡¡has¡¡risen¡¡in¡¡regions¡¡that¡¡are¡¡beyond¡¡our¡¡ken£¿
Ought¡¡we¡¡not£»¡¡whenever¡¡we¡¡see¡¡a¡¡difficult¡¡action¡¡performed£»
automatically¡¡to¡¡suspect¡¡antecedent¡¡practice£¿¡¡¡¡Granted¡¡that¡¡without
the¡¡considerations¡¡in¡¡regard¡¡to¡¡identity¡¡presented¡¡above¡¡it¡¡would
not¡¡have¡¡been¡¡easy¡¡to¡¡see¡¡where¡¡a¡¡baby¡¡of¡¡a¡¡day¡¡old¡¡could¡¡have¡¡had
the¡¡practice¡¡which¡¡enables¡¡it¡¡to¡¡do¡¡as¡¡much¡¡as¡¡it¡¡does
unconsciously£»¡¡but¡¡even¡¡without¡¡these¡¡considerations¡¡it¡¡would¡¡have
been¡¡more¡¡easy¡¡to¡¡suppose¡¡that¡¡the¡¡necessary¡¡opportunities¡¡had¡¡not
been¡¡wanting£»¡¡than¡¡that¡¡the¡¡easy¡¡performance¡¡could¡¡have¡¡been¡¡gained
without¡¡practice¡¡and¡¡memory¡£
When¡¡I¡¡wrote¡¡¡¨Life¡¡and¡¡Habit¡¨¡¡£¨originally¡¡published¡¡in¡¡1877£©¡¡I¡¡said
in¡¡slightly¡¡different¡¡words£º¡
¡¨Shall¡¡we¡¡say¡¡that¡¡a¡¡baby¡¡of¡¡a¡¡day¡¡old¡¡sucks¡¡£¨which¡¡involves¡¡the
whole¡¡principle¡¡of¡¡the¡¡pump¡¡and¡¡hence¡¡a¡¡profound¡¡practical¡¡knowledge
of¡¡the¡¡laws¡¡of¡¡pneumatics¡¡and¡¡hydrostatics£©£»¡¡digests£»¡¡oxygenises¡¡its
bloodmillions¡¡of¡¡years¡¡before¡¡any¡¡one¡¡had¡¡discovered¡¡oxygensees
and¡¡hears£»¡¡operations¡¡that¡¡involve¡¡an¡¡unconscious¡¡knowledge¡¡of¡¡the
facts¡¡concerning¡¡optics¡¡and¡¡acoustics¡¡compared¡¡with¡¡which¡¡the
conscious¡¡discoveries¡¡of¡¡Newton¡¡are¡¡insignificantshall¡¡we¡¡say¡¡that
a¡¡baby¡¡can¡¡do¡¡all¡¡these¡¡things¡¡at¡¡once£»¡¡doing¡¡them¡¡so¡¡well¡¡and¡¡so
regularly¡¡without¡¡being¡¡even¡¡able¡¡to¡¡give¡¡them¡¡attention£»¡¡and¡¡yet
without¡¡mistake£»¡¡and¡¡shall¡¡we¡¡also¡¡say¡¡at¡¡the¡¡same¡¡time¡¡that¡¡it¡¡has
not¡¡learnt¡¡to¡¡do¡¡them£»¡¡and¡¡never¡¡did¡¡them¡¡before£¿
¡¨Such¡¡an¡¡assertion¡¡would¡¡contradict¡¡the¡¡whole¡¡experience¡¡of
mankind¡£¡¨
I¡¡have¡¡met¡¡with¡¡nothing¡¡during¡¡the¡¡thirteen¡¡years¡¡since¡¡the
foregoing¡¡was¡¡published¡¡that¡¡has¡¡given¡¡me¡¡any¡¡qualms¡¡about¡¡its
soundness¡£¡¡¡¡From¡¡the¡¡point¡¡of¡¡view¡¡of¡¡the¡¡law¡¡courts¡¡and¡¡everyday
life¡¡it¡¡is£»¡¡of¡¡course£»¡¡nonsense£»¡¡but¡¡in¡¡the¡¡kingdom¡¡of¡¡thought£»¡¡as
in¡¡that¡¡of¡¡heaven£»¡¡there¡¡are¡¡many¡¡mansions£»¡¡and¡¡what¡¡would¡¡be
extravagance¡¡in¡¡the¡¡cottage¡¡or¡¡farmhouse£»¡¡as¡¡it¡¡were£»¡¡of¡¡daily
practice£»¡¡is¡¡but¡¡common¡¡decency¡¡in¡¡the¡¡palace¡¡of¡¡high¡¡philosophy£»
wherein¡¡dwells¡¡evolution¡£¡¡¡¡If¡¡we¡¡leave¡¡evolution¡¡alone£»¡¡we¡¡may¡¡stick
to¡¡common¡¡practice¡¡and¡¡the¡¡law¡¡courts£»¡¡touch¡¡evolution¡¡and¡¡we¡¡are¡¡in
another¡¡world£»¡¡not¡¡higher£»¡¡not¡¡lower£»¡¡but¡¡different¡¡as¡¡harmony¡¡from
counterpoint¡£¡¡¡¡As£»¡¡however£»¡¡in¡¡the¡¡most¡¡absolute¡¡counterpoint¡¡there
is¡¡still¡¡harmony£»¡¡and¡¡in¡¡the¡¡most¡¡absolute¡¡harmony¡¡still
counterpoint£»¡¡so¡¡high¡¡philosophy¡¡should¡¡be¡¡still¡¡in¡¡touch¡¡with
common¡¡sense£»¡¡and¡¡common¡¡sense¡¡with¡¡high¡¡philosophy¡£
The¡¡common¡sense¡¡view¡¡of¡¡the¡¡matter¡¡to¡¡people¡¡who¡¡are¡¡not¡¡over¡
curious¡¡and¡¡to¡¡whom¡¡time¡¡is¡¡money£»¡¡will¡¡be¡¡that¡¡a¡¡baby¡¡is¡¡not¡¡a¡¡baby
until¡¡it¡¡is¡¡born£»¡¡and¡¡that¡¡when¡¡born¡¡it¡¡should¡¡be¡¡born¡¡in¡¡wedlock¡£
Nevertheless£»¡¡as¡¡a¡¡sop¡¡to¡¡high¡¡philosophy£»¡¡every¡¡baby¡¡is¡¡allowed¡¡to
be¡¡the¡¡offspring¡¡of¡¡its¡¡father¡¡and¡¡mother¡£
The¡¡high¡philosophy¡¡view¡¡of¡¡the¡¡matter¡¡is¡¡that¡¡every¡¡human¡¡being¡¡is
still¡¡but¡¡a¡¡fresh¡¡edition¡¡of¡¡the¡¡primordial¡¡cell¡¡with¡¡the¡¡latest
additions¡¡and¡¡corrections£»¡¡there¡¡has¡¡been¡¡no¡¡leap¡¡nor¡¡break¡¡in
continuity¡¡anywhere£»¡¡the¡¡man¡¡of¡¡to¡day¡¡is¡¡the¡¡primordial¡¡cell¡¡of
millions¡¡of¡¡years¡¡ago¡¡as¡¡truly¡¡as¡¡he¡¡is¡¡the¡¡himself¡¡of¡¡yesterday£»¡¡he
can¡¡only¡¡be¡¡denied¡¡to¡¡be¡¡the¡¡one¡¡on¡¡grounds¡¡that¡¡will¡¡prove¡¡him¡¡not
to¡¡be¡¡the¡¡other¡£¡¡¡¡Every¡¡one¡¡is¡¡both¡¡himself¡¡and¡¡all¡¡his¡¡direct
ancestors¡¡and¡¡descendants¡¡as¡¡well£»¡¡therefore£»¡¡if¡¡we¡¡would¡¡be
logical£»¡¡he¡¡is¡¡one¡¡also¡¡with¡¡all¡¡his¡¡cousins£»¡¡no¡¡matter¡¡how¡¡distant£»
for¡¡he¡¡and¡¡they¡¡are¡¡alike¡¡identical¡¡with¡¡the¡¡primordial¡¡cell£»¡¡and¡¡we
have¡¡already¡¡noted¡¡it¡¡as¡¡an¡¡axiom¡¡that¡¡things¡¡which¡¡are¡¡identical
with¡¡the¡¡same¡¡are¡¡identical¡¡with¡¡one¡¡another¡£¡¡¡¡This¡¡is¡¡practically
making¡¡him¡¡one¡¡with¡¡all¡¡living¡¡things£»¡¡whether¡¡animal¡¡or¡¡vegetable£»
that¡¡ever¡¡have¡¡existed¡¡or¡¡ever¡¡willsomething¡¡of¡¡all¡¡which¡¡may¡¡have
been¡¡in¡¡the¡¡mind¡¡of¡¡Sophocles¡¡when¡¡he¡¡wrote£º¡
¡¨Nor¡¡seest¡¡thou¡¡yet¡¡the¡¡gathering¡¡hosts¡¡of¡¡ill
That¡¡shall¡¡en¡one¡¡thee¡¡both¡¡with¡¡thine¡¡own¡¡self
And¡¡with¡¡thine¡¡offspring¡£¡¨
And¡¡all¡¡this¡¡has¡¡come¡¡of¡¡admitting¡¡that¡¡a¡¡man¡¡may¡¡be¡¡the¡¡same¡¡person
for¡¡two¡¡days¡¡running£¡¡¡¡¡As¡¡for¡¡sopping¡¡common¡¡sense¡¡it¡¡will¡¡be¡¡enough
to¡¡say¡¡that¡¡these¡¡remarks¡¡are¡¡to¡¡be¡¡taken¡¡in¡¡a¡¡strictly¡¡scientific
sense£»¡¡and¡¡have¡¡no¡¡appreciable¡¡importance¡¡as¡¡regards¡¡life¡¡and
conduct¡£¡¡¡¡True¡¡they¡¡deal¡¡with¡¡the¡¡foundations¡¡on¡¡which¡¡all¡¡life¡¡and
conduct¡¡are¡¡based£»¡¡but¡¡like¡¡other¡¡foundations¡¡they¡¡are¡¡hidden¡¡out¡¡of
sight£»¡¡and¡¡the¡¡sounder¡¡they¡¡are£»¡¡the¡¡less¡¡we¡¡trouble¡¡ourselves¡¡about
them¡£
What¡¡other¡¡main¡¡common¡¡features¡¡between¡¡heredity¡¡and¡¡memory¡¡may¡¡we
note¡¡besides¡¡the¡¡fact¡¡that¡¡neither¡¡can¡¡exist¡¡without¡¡that¡¡kind¡¡of
physical