最终,我们记住的不是敌人的话语,而是朋友的沉默。
成功不是偶然的,是努力的结果。
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.