What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience? – Adam Smith
The propensity to truck, barter and exchange one thing for another is common to all men, and to be found in no other race of animals. – Adam Smith
Labour was the first price, the original purchase – money that was paid for all things. It was not by gold or by silver, but by labour, that all wealth of the world was originally purchased. – Adam Smith
Poor David Hume is dying fast, but with more real cheerfulness and good humor and with more real resignation to the necessary course of things, than any whining Christian ever dyed with pretended resignation to the will of God. – Adam Smith