The past is a place of reference, not a place of residence.

The only thing that can make you rich is your mind.

It is better to be a human being dissatisfied than a pig satisfied; better to be Socrates dissatisfied than a fool satisfied.

You have to be passionate about what you do, otherwise it's not worth it.

我不是来告诉你怎么想，我是来告诉你要思考。