The circumstances of the world are continually changing, and the opinions of man change also; and as government is for the living, and not for the dead, it is the living only that has any right in it.

You have to believe in yourself when no one else does.

I was no good at art, so I thought I'd better be an artist.

未来不是我们要去的地方，而是我们正在创造的地方。

Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.

忠于自己，那才是真正的炫耀。