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解释:向善就好像攀登山峰一样难,向恶就好像山石坍塌那样容易。
Fairy tales are more than true: not because they tell us that dragons exist, but because they tell us that dragons can be beaten.
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.