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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.

The first duty of a man is to think for himself.

創新是經濟繁榮的核心。

"A man's memory might have only a hundred clear days in it and he has lived thousands."

I don’t fear anyone, but I respect everyone.