The trouble with lying is that you have to remember everything.

我不是一个轻易放弃的人。

我们都身陷于各自的角色之中，只是有些人陷得更深罢了。

The greatest discovery of my generation is that a human being can alter his life by altering his attitudes.

数学的力量来自于它的抽象和概括能力，将具体问题转化为普遍真理。

聪明的人遇上事，话到口边会留半句；大彻大悟的人遇上事，甚至一句话都不说。

I’m positive that in 100 years much of what I take to be true today will be proved to be wrong， maybe even embarrassingly wrong， and I try really hard to identify what it is that I am wrong about today.

幸福不是没有痛苦，而是有能力克服它。