The "Invisible Hand" passage from Adam Smith's "The Wealth of Nations":
"Every individual necessarily labors to render the annual revenue of the society as great as possible. He generally, indeed, in his own private pension, endeavors to direct it to that employment which is most advantageous to himself. But if he is a member of a commonwealth, he labors also to direct it to that employment which is most advantageous to the society. The difference between the two maxims, just mentioned, is this: That the one is directed to the greater, the other to the smaller, quantity of goods and services. But the interest of the society, or, what is the same thing, the real price of every commodity, is always greater or equal to its nominal price. The real price of every commodity consists, not only in the quantity of other goods which it will purchase, but in the quantity of labor which it will command. Labour, therefore, is the real measure of the value of all things. The工委 who gets more labour for his money is better off than he who gets less. But the man who works for another, and is maintained by him, gets as much labour as he would have done for himself, had he not sold his liberty; and, if the price which he receives for his work be sufficient to purchase as much food, clothing, and other necessaries, as will maintain him in the same condition of life as before, he is just as well off, and no better off."
中文翻译：
"每个人都必然努力使社会的年收入尽可能增大。他通常确实在他的私人利益驱动下，努力将其引向对他自己最有利的就业。但是，如果他是共和国的一员，他也努力将其引向对社会最有利的就业。刚才提到的两个原则之间的区别在于：一个旨在获得更大的商品和服务量，而另一个旨在获得较小的商品和服务量。但是，社会的利益，或者说，每种商品的真正价格，总是大于或等于其名义价格。每种商品的真正价格不仅包括它能购买的其他商品的量，也包括它能指挥的劳动量。因此，劳动是所有事物价值的真正衡量标准。谁为他的钱得到更多的劳动，谁就比得到更少的劳动的人过得好。但是，为别人工作并靠他维持生活的人，得到的劳动和他自己工作所得到的劳动一样多；如果他为工作所得到的报酬足够购买同样多的食物、衣服和其他必需品，以维持他以前的生活状况，那么他的境遇并没有改善，也没有更好的改善。"
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