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你不能靠你将要做什么来建立声誉。
做数学就是与宇宙对话,寻找我们甚至可能还不知道如何提出的问题的答案。
接口可以使事情保持整洁,但不能加速增长:函数可以做到。
The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.