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The advancement of mathematics is due to those who are driven not by the desire for application but by the joy of discovery.
质量在价格被遗忘后仍会被长久铭记。
The best conservation strategies are those that align economic incentives with ecological benefits.
改变的秘诀在于集中所有精力,不是对抗过去,而是建设未来。
现在,对于做了很小错事的人,人们都知道他做错了并谴责他;对于犯了大的过错,以至于攻打别的国家的人,人们却不知道谴责他,反而跟着赞美这种行为,说这是义。