2 THEARCHITECTURE
OF
HUMANISM
seldomattempting
anystatementof
the
relation
they
beartooneanother,
neverpursuing
totheir
conclu-
sion
the
consequences which
they
involve. It
has
leanednow
thisway andnow
that,
andstruck, be-
tween
these incommensurable
virtues, at
different
points,itsarbitrary
balance.
Architecture, the
mostcomplexofthe
arts,offers
toitscritics manypathsof
approach,and asmany
opportunitiesforavoidingtheirgoal. At
theoutset
ofafresh
studyinthisfield,itiswell,attheriskof
pedantry,todefinewherethesepathslead.
Architecture requires
'
firmness.' By this neces-
sityitstands
related
to
science,and
to
thestandards
^
ofscience. Themechanicalbondageofconstruction
i
has closely circumscribed its growth. Thrust
andl
balance,pressureanditssupport, areattherootof
i
the 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 architecture
encounters physics, statics, and
dynamics, suggest-l
ing,controlling, justifying
itsdesign. Itis opento^
us, therefore,
to look in buildings
for the logical
expression ofmaterial
propertiesand material
laws.j
Without these,
architecture is
impossible, its his
toryunintelligible. And
if,findingthese
everywherJ
paramount, weseek,in
termsof
materialproperties]