如果你不喜欢某件事，就去改变它。如果你无法改变它，就改变你的态度。

我们为新南开所抱的志愿，不过是‘了解中国，服务中国’这两句话。

实验物理学在决定量子理论的竞争解释方面有最终发言权。

I have already carried out my duty. I have proved the Poincaré conjecture and I have nothing more to do in mathematics.

变化的速度要求我们忘记的和学习的一样多。

The novel is a great discovery: far greater than Galileo's telescope or somebody else's wireless. The novel is the highest form of human expression so far attained. Why? Because it is so incapable of the absolute.

The true measure of success isn't just profitability, but how we achieve it.