If you want to be the best, you have to do things that other people aren’t willing to do.
历史学家必须怀有一种信念:人类不会也不能灭亡。
The key ingredients of happiness could not be material or aesthetic, but must always stubbornly psychological.
自由不是让你想做什么就做什么,自由是教你不想做什么,就可以不做什么。