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人的价值或价值,如同所有其他事物一样,是他的价格;也就是说,为使用他的力量所愿意付出的代价。
The value or worth of a man is, as of all other things, his price; that is to say, so much as would be given for the use of his power.
La vie est une comédie pour ceux qui pensent, une tragédie pour ceux qui sentent.
Mathematics is not just about numbers, equations, computations, or algorithms: it is about understanding.
Never stop learning, because the world never stops changing.