The calculated ambiguity of expression is based on the
program. This promotes richness of meaning over clarity of
meaning. As Empson admits, there is good and bad ambiguity:
". . . [ambiguity] may be used to convict a poet of
holding muddled opinions rather than to praise the complexity
of the order of his mind." 24 Nevertheless, according
to Stanley Edgar Hyman, Empson sees ambiguity as "collecting
precisely at the points of greatest poetic effectiveness,
and finds it breeding a quality he calls 'tension' which
we might phrase as the poetic impact itself." 25 These ideas
apply equally well to architecture