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Wise men talk because they have something to say; fools, becasue they have to say something.
聪明人说话,是因为有些话要说;蠢人说话,则因为要说些话。
Deciding what not to do is as important as deciding what to do.
你无法满足所有人的要求。
The harder you work, the luckier you get.
In mathematics, the art of proposing a question must be held of higher value than solving it.
数学的力量在于它的抽象性,使我们能够看到不立即显现的模式和联系。