What is the purpose of our hard work and traveling back and forth in this world? What is the purpose of all this greed and desire, all this pursuit of wealth, power and fame? In the final analysis, it is to gain the love and approval of others.

—— "The Theory of Moral Sentiments"

We do not get our dinner through the good deeds of the butcher, the brewer, or the baker, but from their regard for their own interests. It is not from the benevolence of the butcher, the brewer, or the baker, that we expect our dinner, but from their regard to their own self-interest.

? ——"The Wealth of Nations"

Exchange tends to be motivated by self-interest and gives rise to division of labor.

? ——"The Wealth of Nations"

To gain inner peace, you must be "in good health, debt-free, and have a clear conscience." If these conditions are met, the increase in wealth will be redundant.

——"The Theory of Moral Sentiments"

Never beg for mercy from others, but appeal to their self-interest; never talk to others about your own needs, but only Talk about the benefits to them

? ——"The Wealth of Nations"

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