THE
ACADEMIC TRADITION
193substancetoworkupon,aformtoalterorpreserve,a base upon which, when inspiration
flags, it may
retire. Solongasarchitecturalartwascloselylinkedto utility and toconstruction, these ofthemselvesprovidedthepermanentelementit
required. Greekarchitecturehadonthewholeobservedthelogicof
the temple, Gothic the logic of the vault. Therestrictions which these constructive principles im-posed,theformswhichtheyhelped tosuggest,weresufficientfordesign. Butwhenarchitecture,intheRenaissance,baseditselfon anexperimentalscienceoftaste,andrefusedallextraneoussanctions, itfeltfor the first time theembarrassment of liberty.Baroque art,assoon asthe creativeenergydesertsit,hasnothingtofallbackupon. It thenbecomes(as its failures prove) an unmeaningand aimlessforce,'bombinansinvacuo.'Architecture,therefore,havingdeniedtheabsoluteauthority ofuse and construction todetermine itsdesign,wasledtocreateanewauthority
indesignitself. And since Humanism,
with its worship ofpower,hadexaltedRometoanideal,it
wasnaturallyin Roman design that
this authority wassought.Roman buildings had to provide
not merelyaninspiration,butarule.Thusthemereaestheticnecessitiesofthecaseweresufficient toleadthetentativeclassicismofBrvmel-leschi
towardsthestrictermannerofBramante,andN