Happiness is not having what you want, but wanting what you have.
幸福不是拥有你想要的,而是想要你拥有的。
但幸福除了一个人和他所过的生活之间的简单和谐之外,还有什么呢?
Growth happens outside your comfort zone.
The best mathematics is not just rigorous; it is also elegant.
The dangerous man is the one who has only one idea, because then he'll fight and die for it.