“It is error only, and not truth, that shrinks from inquiry.”

Practical religion consists in doing good: and the only way of serving God is that of endeavoring to make His creation happy. All preaching that has not this for its object is nonsense and hypocrisy.

To argue with a person who has renounced the use of reason is like administering medicine to the dead.

Freedom had been hunted round the globe; reason was considered as rebellion; and the slavery of fear had made men afraid to think. But such is the irresistible nature of truth, that all it asks, and all it wants, is the liberty of appearing.

There are two distinct classes of men – those who pay taxes and those who receive and live upon taxes.

We repose an unwise confidence in any government, or in any men, when we invest them officially with too much, or an unnecessary quantity of, discretionary power.

It is the duty of every man, as far as his ability extends, to detect and expose delusion and error.

Reason and Ignorance, the opposites of each other, influence the great bulk of mankind. If either of these can be rendered sufficiently extensive in a country, the machinery of Government goes easily on. Reason obeys itself; and Ignorance submits to whatever is dictated to it.

To argue with a man who has renounced the use and authority of reason, and whose philosophy consists in holding humanity in contempt, is like administering medicine to the dead, or endeavoring to convert an atheist by scripture.

Moderation in temper is always a virtue; but moderation in principle is always a vice.

One good schoolmaster is of more use than a hundred priests.

A nation under a well regulated government, should permit none to remain uninstructed. It is monarchical and aristocratical government only that requires ignorance for its support.

It is always to be taken for granted, that those who oppose an equality of rights never mean the exclusion should take place on themselves.

What we obtain too cheap, we esteem too lightly; it is dearness only that gives everything its value.

A long habit of not thinking a thing wrong gives it a superficial appearance of being right.

I believe in one God, and no more; and I hope for happiness beyond this life. I believe in the equality of humans; and I believe that religious duties consist in doing justice, loving mercy, and endeavoring to make our fellow creatures happy.

Every proprietor owes to the community a ground-rent for the land which he holds.

Do not be afraid of errors. There are no errors.

The magic on you is only magic and will vanish as soon as you are free, but the enchantment of error that you put on me I must wear forever in your eyes. We are not always what we seem, and hardly ever what we dream.

Wrapt up in error is the human mind, And human bliss is ever insecure; Know we what fortune yet remains behind? Know we how long the present shall endure?

It is not so difficult a task to plant new truths, as to root out old errors; for there is this paradox in men, they run after that which is new, but are prejudiced in favor of that which is old.

Ignorance is a blank sheet, on which we may write; but error is a scribbled one, on which we must first erase.

Who would enjoy a life of no runs, no hits, no errors?

Errors like straws upon the surface flow, Who would search for pearls to be grateful for often must dive below.

The smallest errors are always the best.