明明可以享受快乐却不去把握，为什么要自寻烦恼呢？

Man’s main task in life is to give birth to himself, to become what he potentially is. The most important product of his effort is his own personality.

城市是一个有生命的实体，建筑必须对此作出回应。

The process of mathematical discovery is as important as the discovery itself.