最大的挑战不是科学，而是改变人们的观念。

Before you are old， attend as many funerals as you can bear， and listen. Nobody talks about the departed’s achievements. The only thing people will remember is what kind of person you were while you were achieving.

嫉妒是一种非常愚蠢的罪恶，因为它是唯一一种你永远不可能有任何乐趣的罪恶。它带来了很多痛苦，没有任何乐趣。你为什么要上那辆电车呢？

如果你想走得快，一个人走；如果你想走得远，一起走。

写作是一种不被中断的谈话方式。