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成功的关键是失败……成功是由99%的失败组成的。
Sometimes the most profound mathematics comes from playing with simple ideas until they reveal their hidden complexity.
真正的快乐来自于内心的满足。
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.