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对某人来说,世界总是在终结。
生存下来的不是最强壮的物种,也不是最聪明的,而是对变化反应最快的。
If one only wished to be happy, this could be easily accomplished; but we wish to be happier than other people, and this is always difficult, for we believe others to be happier than they are.
Innovation is not imagination out of thin air, but based on a deep understanding of user needs.