no THEARCHITECTURE OF HUMANISM
the building is of a wholly disparate kind: why,
then,must theyalwaysbeachieved byanidentical
expedient? No
doubtwhenthiscan bedone,
itis
the simplestand moststraightforwardwayofsecur-
inggood architectural design. No doubtwhen
we
realisethatthishasbeen
done,
there
may
beacertain
intellectualpleasureinthecoincidence. Buteven
the
Greeks, towhom we are always referred,
werefar
from achieving this coincidence. When they
took
the primitive Doric construction,andraised
ittoa
perfect aesthetic form, the countless
adjustments
whichtheymadewereallcalculatedforoptical
eflfect.
They may nothave entailed consequences
contrary
to structural requirements, but atleast the optical
effectandthestructural requirementsweredistinct.
The Renaissance grasped this distinction
between
the several
elements
of architectural design with
extreme clearness. It realised that,
for
certain pur-
poses
in
architecture,
fact
counted
foreverything, and
that in certain others, appearance counted
for
every-
thing.
Andittookadvantage
of
thisdistinction
tothe
full. It
didnotinsistthatthe
necessaryfactshould
itself produce the necessary appearance.
It con-
sideredthe
questions
separately,andwascontentto
securethembyseparatemeans. Itnolongerhadto
dance in
fetters. It produced
architecture
which
looked vigorous
and
stable, and it took adequate
measures to
seethatitactually was
so.
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Letus
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