我没有特定的配方[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技巧，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.
史记
The most important thing in directing is to have a clear vision of what you want to achieve.
Success is going from failure to failure without loss of enthusiasm.
A good mathematician is one who can see analogies between theorems; a great mathematician is one who can see analogies between analogies.
We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.
没有祖国的人，就像没有歌声的夜莺。
Start where you are, with what you have. Make something of it. Never be satisfied.