伟大的小说是拒绝被简化为单一意义的小说。
The environment shapes behavior, but behavior also shapes the environment.
For the best results with your children， spend only half the money you think you should， but double the time with them.
Success is stumbling from failure to failure with no loss of enthusiasm.
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.