It's not worth doing something unless someone, somewhere, would much rather you weren't doing it.

性格是一个人习惯的总和。

恐惧无时无刻地在我们耳边窃窃私语、在我们眼前高声呐喊；而信念必须由你们每天在镜中看到的自己培养。前者总是紧追在我们身后、纠缠不休、令我们停滞不前；后者则激励我们、带给我们惊喜、刺激我们的创造力、驱使我们不断地前进。

在追求数学真理的过程中，我们常常发现更多的问题而非答案。

I write to explore the things that scare me.

It is human nature to think wisely and act foolishly.

The elegance of a mathematical proof is in its simplicity and clarity.

创造成功需要很多因素。我不喜欢只做我喜欢做的事情。我喜欢做那些使公司成功的事情。