In mathematics, the simplest questions often lead to the most profound discoveries.
现实是一个视角问题;你离过去越远,它看起来就越具体和可信——但当你接近现在时,它不可避免地显得越来越不可思议。
生活的意义在于产生影响,而不是赚取收入。
I am too intelligent, too demanding, and too resourceful for anyone to be able to take charge of me entirely. No one knows me or loves me completely. I have only myself.