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如果战略达到了目标,它就是有用的;如果战略实现了目标,它就是成功的。
一个理智的人在一个疯狂的社会里必须显得疯狂。
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.