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数百万人看到苹果落下,但牛顿问了为什么。
作家的生活绝对是孤独的。他必须独自完成工作。
The best way to learn mathematics is to do mathematics.
The end of history will be a very sad time. The struggle for recognition, the willingness to risk one's life for a purely abstract goal, the worldwide ideological struggle that called forth daring, courage, imagination, and idealism, will be replaced by economic calculation, the endless solving of technical problems, environmental concerns, and the satisfaction of sophisticated consumer demands.