There’s a kind of sadness in the air, but it’s a sadness that makes you feel alive.
灵魂不是你拥有的东西，而是在世存在的方式。
【释义】：骄傲不应过度，欲望不能放纵，享乐不能极端，志向不宜自满。
The only limits that exist are the ones you place on yourself.
信念有创造的力量，也有毁灭的力量。
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 world is full of stories, but the stories are all one."