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Identify your problems, but give your power and energy to solutions.
In a state, the liberty of one citizen is the liberty of all.
被世人称为不道德的书,其实是揭示了世界自身的羞耻。
The opposite of a correct statement is a false statement. But the opposite of a profound truth may well be another profound truth.
检验一个假设的唯一方法是寻找所有反对该假设的信息。