Danh ngôn của Adam Smith (Sứ mệnh: 7)

As soon as the land of any country has all become private property, the landlords, like all other men, love to reap where they never sowed, and demand a rent even for its natural produce.
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.
Science is the great antidote to the poison of enthusiasm and superstition.
This is one of those cases in which the imagination is baffled by the facts.
Adventure upon all the tickets in the lottery, and you lose for certain; and the greater the number of your tickets the nearer your approach to this certainty.
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 interest.
Happiness never lays its finger on its pulse.
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.
What can be added to the happiness of a man who is in health, out of debt, and has a clear conscience?
All money is a matter of belief.
No complaint... is more common than that of a scarcity of money.
Labor was the first price, the original purchase - money that was paid for all things.
No society can surely be flourishing and happy, of which the far greater part of the members are poor and miserable.
To feel much for others and little for ourselves; to restrain our selfishness and exercise our benevolent affections, constitute the perfection of human nature.
The real and effectual discipline which is exercised over a workman is that of his customers. It is the fear of losing their employment which restrains his frauds and corrects his negligence.
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.
Little else is requisite to carry a state to the highest degree of opulence from the lowest barbarism but peace, easy taxes, and a tolerable administration of justice: all the rest being brought about by the natural course of things.