Science is the great antidote to the poison of enthusiasm and superstition.
Sugar, rum and tobacco are commodities which are nowhere necessaries of life, which are become objects of almost universal consumption, and which are therefore extremely proper subjects of taxation.
I am always willing to run some hazard of being tedious, in order to be sure that I am perspicuous; and, after taking the utmost pains that I can to be perspicuous, some obscurity may still appear to remain upon a subject, in its own nature extremely abstracted.
The greatest improvement in the productive powers of labour, and the greater part of the skill, dexterity, and judgment with which it is anywhere directed, or applied, seem to have been the effects of the division of labour.
In general, if any branch of trade, or any division of labour, be advantageous to the public, the freer and more general the competition, it will always be the more so.
Great ambition, the desire of real superiority, of leading and directing, seems to be altogether peculiar to man, and speech is the great instrument of ambition.
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.
It is not very unreasonable that the rich should contribute to the public expense, not only in proportion to their revenue, but something more than in that proportion.
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.
Resentment seems to have been given us by nature for a defense, and for a defense only! It is the safeguard of justice and the security of innocence.
With the greater part of rich people, the chief enjoyment of riches consists in the parade of riches.
Never complain of that of which it is at all times in your power to rid yourself.
It must always be remembered, however, that it is the luxuries, and not the necessary expense of the inferior ranks of people, that ought ever to be taxed.
Every tax, however, is to the person who pays it a badge, not of slavery but of liberty. It denotes that he is a subject to government, indeed, but that, as he has some property, he cannot himself be the property of a master.
The difference between the most dissimilar characters, between a philosopher and a common street porter, for example, seems to arise not so much from nature, as from habit, custom, and education.
The theory that can absorb the greatest number of facts, and persist in doing so, generation after generation, through all changes of opinion and detail, is the one that must rule all observation.
Mercy to the guilty is cruelty to the innocent.
Problems worthy of attacks, prove their worth by hitting back.
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.
Research shows that willpower is more important than IQ. That’s why the point isn’t to become smarter, but to become more self-disciplined.