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The only way to learn mathematics is to do mathematics.

Literature is the voice of the marginalized.

與他人比較是讓我們對自己的生活感覺更糟的可靠方法。

除了誘惑，我什么都能抵抗。

He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.

幸福需要快樂和目標(biāo)兩者兼具——僅靠其中一項是不夠的。