The only real voyage of discovery consists not in seeking new landscapes, but in having new eyes.
唯一真正的发现之旅不在于寻找新的风景，而在于拥有新的眼光。
It was the best of times, it was the worst of times.
当最后一棵树被砍倒，最后一美元将失去意义。
I don’t need a crown to know I’m a king.
译文：枯萎的树木遇到春天还会发芽生长，可人没有两次青春年少的时期。赏析：人生短短的几十年转瞬即逝，我们要珍惜大好的青春年华。
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.