The past is a foreign country; they do things differently there.

Every mathematical problem has a solution; it just takes time and creativity to find it.

生活不是等待暴风雨过去，而是学会在雨中跳舞。

数学是模式的科学，而自然利用了每一种可能的模式。

我以打高尔夫为生。你还能要求什么呢——做自己喜欢的事还能得到报酬。