2 THEARCHITECTURE
OF
HUMANISM
seldomattemptinganystatementoftherelationtheybeartooneanother,neverpursuingtotheirconclu-sion
theconsequences whichtheyinvolve. Ithasleanednow
thisway andnow
that,andstruck, be-tweenthese incommensurablevirtues, atdifferentpoints,itsarbitrarybalance.Architecture, themostcomplexofthearts,offerstoitscritics manypathsof
approach,and asmany
opportunitiesforavoidingtheirgoal. At
theoutsetofafreshstudyinthisfield,itiswell,attheriskofpedantry,todefinewherethesepathslead.Architecture requires'firmness.' By this neces-
sityitstandsrelated
toscience,and
tothestandards^ofscience. Themechanicalbondageofconstruction
ihas closely circumscribed its growth. Thrust
andlbalance,pressureanditssupport, areattherootof
ithe language which architecture employs. The in-
herent characters of marble, brick,
wood and iron
havemouldeditsforms,setlimitstoitsachievement,,and governed, in a measure, even
its decorativ^detail. On every
hand the study of architectureencounters physics, statics, and
dynamics, suggest-ling,controlling, justifying
itsdesign. Itis opento^us, therefore,
to look in buildings
for the logicalexpression ofmaterial
propertiesand material
laws.jWithout these,
architecture is
impossible, its historyunintelligible. And
if,findingthese
everywherJparamount, weseek,in
termsof
materialproperties]