It is foolish to tear one's hair in grief, as though sorrow would be made less by baldness.

Not cohabitation but consensus constitutes marriage.

Great is the power of habit. It teaches us to bear fatigue and to despise wounds and pain.

That last day does not bring extinction to us, but change of place.

Rashness belongs to youth; prudence to old age.

A man of courage is also full of faith.

Time destroys the speculation of men, but it confirms nature.

Advice in old age is foolish; for what can be more absurd than to increase our provisions for the road the nearer we approach to our journey's end.

The pursuit, even of the best things, ought to be calm and tranquil.

There are more men ennobled by study than by nature.

In everything truth surpasses the imitation and copy.

Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.

The higher we are placed, the more humbly we should walk.

To some extent I liken slavery to death.

I prefer tongue-tied knowledge to ignorant loquacity.

Natural ability without education has more often attained to glory and virtue than education without natural ability.

Just as the soul fills the body, so God fills the world. Just as the soul bears the body, so God endures the world. Just as the soul sees but is not seen, so God sees but is not seen. Just as the soul feeds the body, so God gives food to the world.

Gratitude is not only the greatest of virtues, but the parent of all the others.

The safety of the people shall be the highest law.

Brevity is the best recommendation of speech, whether in a senator or an orator.

A home without books is a body without soul.

Knowledge which is divorced from justice, may be called cunning rather than wisdom.

An unjust peace is better than a just war.

In time of war the laws are silent.

What sweetness is left in life, if you take away friendship? Robbing life of friendship is like robbing the world of the sun. A true friend is more to be esteemed than kinsfolk.

It is not by muscle, speed, or physical dexterity that great things are achieved, but by reflection, force of character, and judgment.

So near is falsehood to truth that a wise man would do well not to trust himself on the narrow edge.

Fear is not a lasting teacher of duty.

Death is not natural for a state as it is for a human being, for whom death is not only necessary, but frequently even desirable.

The life of the dead is placed in the memory of the living.

Live as brave men; and if fortune is adverse, front its blows with brave hearts.

The study and knowledge of the universe would somehow be lame and defective were no practical results to follow.

In a republic this rule ought to be observed: that the majority should not have the predominant power.

Confidence is that feeling by which the mind embarks in great and honorable courses with a sure hope and trust in itself.

Peace is liberty in tranquillity.

More law, less justice.

Let us not listen to those who think we ought to be angry with our enemies, and who believe this to be great and manly. Nothing is so praiseworthy, nothing so clearly shows a great and noble soul, as clemency and readiness to forgive.

Nature abhors annihilation.

What then is freedom? The power to live as one wishes.

In a disordered mind, as in a disordered body, soundness of health is impossible.

Love is the attempt to form a friendship inspired by beauty.

The only excuse for war is that we may live in peace unharmed.

The rule of friendship means there should be mutual sympathy between them, each supplying what the other lacks and trying to benefit the other, always using friendly and sincere words.

Old age: the crown of life, our play's last act.

If you have a garden and a library, you have everything you need.

Cultivation to the mind is as necessary as food to the body.

The function of wisdom is to discriminate between good and evil.

Frivolity is inborn, conceit acquired by education.

True nobility is exempt from fear.

Hatred is inveterate anger.

Justice consists in doing no injury to men; decency in giving them no offense.

Friendship improves happiness and abates misery, by the doubling of our joy and the dividing of our grief.

Laws are silent in time of war.

Freedom is a possession of inestimable value.

Brevity is a great charm of eloquence.

As I approve of a youth that has something of the old man in him, so I am no less pleased with an old man that has something of the youth. He that follows this rule may be old in body, but can never be so in mind.