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数学的真正乐趣在于发现的过程,而不仅仅是结果。
Be regular and orderly in your life, so that you may be violent and original in your work.
We are going to die, and that makes us the lucky ones. Most people are never going to die because they are never going to be born.
快乐的人,只有快乐的人,是能把今天称为自己所有的那个人。