If people do not believe that mathematics is simple, it is only because they do not realize how complicated life is.
如果人们不相信数学是简单的，那只是因为他们没有意识到生活有多么复杂。
The world is what it is; men who are nothing, who allow themselves to become nothing, have no place in it.
"If you think you’re going to crash, step on the pedal harder."
每本书都有一个灵魂，是写它的人和读它并梦想它的人的灵魂。