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Survival can be summed up in three words—never give up. That's the heart of it really. Just keep trying.
In mathematics, the art of proposing a question must be held of higher value than solving it.
人们不禁会感到这些数学公式拥有独立的存在和自己的智慧,它们比我们更聪明,甚至比它们的发现者更聪明。