动物和人类的有目的行为。
Purposive behavior in animals and men.
"Experience is simply the name we give our mistakes."
Money and success don't change people; they merely amplify what is already there.
最具挑战性的设计往往会带来最有价值的成果。
城市是一个伟大的人工制品,是人类文明的最高作品。