未经审视的生活不值得过。
"The unexamined life is not worth living."
Success is not about being the biggest, but about being the best at what you do.
那些试图让这个世界变得更糟的人并没有休息。我为什么要休息?
The greatest crimes are committed not in the name of evil, but in the name of good.
现在如果天下的人都相信鬼神能赏贤罚暴,那么天下怎么还会混乱! 
The beauty of mathematics is that it is one of the few areas of human endeavor where absolute truth can be known.