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You don't learn to walk by following rules. You learn by doing, and by falling over.
图书馆的存在本身就提供了最好的证据,证明我们对人类的未来仍可抱有希望。
我不是最幸运的人,但我是最努力的人。
Optimization hinders evolution.
The true spirit of delight, the exaltation, the sense of being more than Man, which is the touchstone of the highest excellence, is to be found in mathematics as surely as in poetry.