追求数学真理是一项崇高的努力。

The only limits you have are the ones you set for yourself.

Talent is how quickly your skills improve when you invest effort. Effort is what makes skill productive.

我不是完美主义者，但我喜欢把事情做好。更重要的是，我感到一种无尽的学习、改进和进化的需求。

The art of disputation is the art of making the worse appear the better reason.

You can have all the talent in the world, but if you don’t work hard, it won’t matter.

Coal built this country, and coal will keep it strong.