"The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion."

我们今天种下的每一棵树都是留给未来的遗产。

As you grow older, you will discover that you have two hands, one for helping yourself, the other for helping others.

You have to fight through some bad days to earn the best days of your life

我不考虑过去。我不考虑未来。我只考虑现在。

数学证明的美在于它的优雅以及它以清晰简洁的方式揭示潜在真理的方式。