People who know little are usually great talkers, while men who know much say little.

How many famous and high-spirited heroes have lived a day too long?

A feeble body weakens the mind.

Free people, remember this maxim: we may acquire liberty, but it is never recovered if it is once lost.

We are born weak, we need strength; helpless, we need aid; foolish, we need reason. All that we lack at birth, all that we need when we come to man's estate, is the gift of education.

Happiness: a good bank account, a good cook, and a good digestion.

Absolute silence leads to sadness. It is the image of death.

No true believer could be intolerant or a persecutor. If I were a magistrate and the law carried the death penalty against atheists, I would begin by sending to the stake whoever denounced another.

What wisdom can you find that is greater than kindness?

Gratitude is a duty which ought to be paid, but which none have a right to expect.

Take from the philosopher the pleasure of being heard and his desire for knowledge ceases.

Although modesty is natural to man, it is not natural to children. Modesty only begins with the knowledge of evil.

Reading, solitude, idleness, a soft and sedentary life, intercourse with women and young people, these are perilous paths for a young man, and these lead him constantly into danger.

Nature never deceives us; it is we who deceive ourselves.

No man has any natural authority over his fellow men.

Falsehood has an infinity of combinations, but truth has only one mode of being.

Plant and your spouse plants with you; weed and you weed alone.

Base souls have no faith in great individuals.

The world of reality has its limits; the world of imagination is boundless.