对待小人态度严厉，不困难，困难的是让自己不去憎恨厌恶他们；对待君子恭敬谦逊，不困难，困难的是让自己始终以礼相待他们。
"I am not a word, I am a language."
如果你相信每个生命都是平等的，那么当你发现某些生命被挽救了，而另一些生命被放弃了，你会感到无法接受。我们对自己说：“事情不可能如此。如果这是真的，那么它理应是我们努力的头等大事。”
In times of change, the ability to learn is far more important than the ability to know.
我没有任何特别的秘诀（用于开发新的证明）……这就是为什么做研究既具有挑战性又具有吸引力的原因。这就像在丛林中迷路，试图利用你能收集到的所有知识来想出一些新的技巧，并且如果运气好的话，你可能会找到出路。
I don't have any particular recipe [for developing new proofs] ... It is the reason why doing research is challenging as well as attractive. It's like being lost in a jungle and trying to use all the knowledge that you can gather to come up with some new tricks, and with some luck you might find a way out.
The most important thing is to be true to yourself and your craft.
The best traders are those who can learn from their mistakes.
解释：治理河道，要用疏导的办法使其通畅；治理百姓，要引导百姓使其敢言。