It's better to burn out than to fade away.

If time travel is possible, where are the tourists from the future?

I am made and remade continually. Different people draw different words from me.

The art of doing mathematics consists in finding that special case which contains all the germs of generality.

You have to be true to yourself. Strong enough to be true to yourself. Brave enough to be strong enough to be true to yourself. Healthy enough to be brave enough to be strong enough to shape yourself from what you actually are.

过去是一个参考的地方，而不是居住的地方。