Happiness is like a butterfly; the more you chase it, the more it will elude you. But if you turn your attention to other things, it will come and sit softly on your shoulder.

I'm not a follower, I'm a leader.

We don't compete with anyone but ourselves to be the best we can be.

如果你懂得了孩子的语言，他们会与你更拉近。因为你这里有他需要的帮助，他会对你产生异样的亲切感。

I think that in mathematics, and maybe in life, you have to be willing to be a little bit lost.

The best scientists are those who remain humble in the face of the unknown.

我不是来讨人喜欢的，我是来被人记住的。