The secret of happiness is freedom, and the secret of freedom is courage.

Creativity in science comes from connecting ideas that others haven't thought to connect.

I'm always looking for ways to challenge myself and push myself to the next level.

对于人的责任，在于对待自己的本性，也同样适用于对待其他事物的本性。

The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.

我不后悔我做的任何事情。