A good novel tells us the truth about its hero, but a bad novel tells us the truth about its author.
一本好小说告诉我们关于其主人公的真相，而一本坏小说告诉我们关于其作者的真相。
The person who tries to live alone will not succeed as a human being. His heart withers if it does not answer another heart. His mind shrinks away if he hears only the echoes of his own thoughts and finds no other inspiration.
In mathematics, the art of proposing a question must be held of higher value than solving it.
我不在乎别人怎么说我，我知道我是谁。
当学到的知识被遗忘后，剩下的就是教育。
Sometimes you put walls up not to keep people out，but to see who cares enough to break them down.