你越能将个人价值观与工作结合起来，你的生活就会越充实。

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

预测未来的最好方法就是创造未来。不要担心别人会做什么。预测未来的最好方法就是创造未来。

我不相信“方法”的概念。我相信“时刻”的概念。

Laugh, and the world laughs with you; weep, and you weep alone.

"The past is always with us, for it feeds the present."