Cicero

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

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

The more laws, the less justice.

Old age is honorable if it is lived honorably.

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

We are all motivated by a keen desire for praise, and the better a man is, the more he desires approbation.

The safety of the people shall be the highest law.

To study philosophy is nothing but to prepare the soul for death.

Men in no way approach the gods so closely as by doing good to men.

The wise man is not raised up from the earth by the hope of a better world.

What is more agreeable than one's home?

Laws are silent in times of war.

Virtue is sufficient for happiness.

The people's good is the highest law.

I am a Roman citizen.

Endless money forms the sinews of war.

Nature has given us one tongue, but two ears, that we may hear from others twice as much as we speak.

He who neglects what is done for his own sake endangers his own safety.

The greatest pleasures are only narrowly separated from the greatest pains.

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