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Mathematics is the music of reason.
【译文】聪明智慧的人喜爱水,有仁德的人喜爱山;聪明智慧的人活跃好动,有仁德的人沉静稳重;聪明智慧的人快乐,有仁德的人长寿。
幸福不是相信我们不需要改变;而是意识到我们可以改变。
Man is the measure of all things: of things which are, that they are, and of things which are not, that they are not.