In mathematics, you don't understand things. You just get used to them.

The mind is an active, dynamic process, not a passive receptacle.

A good abstraction is one that emphasizes the important details and suppresses the unimportant ones.

Success is not about the destination, it's about the journey.

Success is not about being the best, it's about being better than you were yesterday.

我从未怀疑过试管婴儿会成功，我只是决心让它实现。

The best thing a human being can do is to help another human being know more.

The limits of the possible can only be defined by going beyond them into the impossible.