6 THEARCHITECTURE
OF
HUMANISM
tureactuallyis,and
estimatesthe
phenomenon
bya
method as confused
and fortuitous
as itself.
It
passesin
and outofthethree
provincesof
thought,
andrelatesitssubject
nowtoscience,
nowtoart,and
nowtolife. It treatsofthese
upona
singleplane,
judging one building by
standards of constructive
skill,anotherbystandardsofrhythm
andproportion,
andathird bystandards
ofpractical useorby the
moral impulse ofitsbuilders. Thismedley of ele-
ments, diverse and uncommensurated as they are,
can furnishnogeneral estimateor true comparison
ofstyle.
Doubtless, as a matter of history, architecture
has not come into existence in obedience to any
a priori aesthetic. It has grown up around the
practicalneedsoftherace,andinsatisfyingtheseit
has beendeflected, now bythe obstinate
claimsof
mechanical
laws,nowbyawaywardsearchforbeauty.
But the problem of the architect and
that of the
criticarehereessentially
different. Theworkofthe
architect is synthetic. He must take into simul-
taneousaccountourthree
'
conditionsofwell-build-
ing,'andfindsome
compromisewhichkeeps
adecent
peace
between theirclaims. The
taskofthecritic,
on the
contrary, isoneof
analysis. Hehas
todis-
cover,define, andmaintain
the ideal
standards of
valueineach
province. Thus
thethreestandardsof
architecture,
united in
practice, are
separable, and