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Physics is not just a science, it is a way of thinking about the world.
La verdadera poesía es aquella que nace del dolor y de la alegría.
The money and effort that men expend on their bodies, they might with greater profit devote to their minds.
可持续性不是一种趋势,而是唯一的前进道路。
一旦不再抱那么大的希望,我们就不会再这么愤怒了。《哲学的慰藉》