The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.

动作是完整思考过程的最后一部分，精神的提升必须借助于活动或工作。

理解是接受的第一步，只有接受才能痊愈。

未来属于那些相信自己梦想之美的人。