"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."
所以君子努力做事就会日渐强大，安于嗜欲就日渐苟且，恭敬庄重就日益繁盛。
For a great payoff be especially curious about the things you are not interested in.
记忆是一件棘手的事情；它既可以是祝福也可以是诅咒。
In mathematics, the art of proposing a question must be held of higher value than solving it.