I’m not perfect, but I’m always me.

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.

The question is not whether the thing exists， but whether it has any essence which is capable of existence without us.

我们恨一个人，其实是在他的形象里恨我们自己内心的东西。

The most valuable asset in any company isn't its machinery—it's the people who operate it.