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永远不要低估合作的力量——伟大的事情很少是独自完成的。
The value of a commodity, or the quantity of any other commodity for which it will exchange, depends on the relative quantity of labor which is necessary for its production, and not on the greater or less compensation which is paid for that labor.
善良一点,因为你遇到的每个人都在打一场艰苦的战斗。