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The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
应对一个不自由的世界的唯一方法,就是变得如此绝对自由,以至于你的存在本身就是一种反叛。
A good mathematician is not one who knows all the answers, but one who asks the right questions.
过去是一面镜子,但我们往往只看到自己想看的东西。