I don't run out of material. I run out of time.

最伟大的故事是那些让我们质疑自己生活的故事。

The mathematician's patterns, like the painter's or the poet's, must be beautiful; the ideas, like the colors or the words, must fit together in a harmonious way.

做出伟大工作的唯一方法就是热爱你所做的事。