As to marriage or celibacy, let a man take which course he will, he will be sure to repent.
What you cannot enforce, do not command.
Remember that there is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in adversity.
Be slow to fall into friendship, but when thou art in, continue firm and constant.
He is richest who is content with the least, for content is the wealth of nature.
The unexamined life is not worth living.
The end of life is to be like God, and the soul following God will be like Him.
He is a man of courage who does not run away, but remains at his post and fights against the enemy.
Not life, but good life, is to be chiefly valued.
If a man is proud of his wealth, he should not be praised until it is known how he employs it.
Beauty is a short-lived tyranny.
The way to gain a good reputation is to endeavor to be what you desire to appear.
Ordinary people seem not to realize that those who really apply themselves in the right way to philosophy are directly and of their own accord preparing themselves for dying and death.
One who is injured ought not to return the injury, for on no account can it be right to do an injustice; and it is not right to return an injury, or to do evil to any man, however much we have suffered from him.
Beware the barrenness of a busy life.
If all misfortunes were laid in one common heap whence everyone must take an equal portion, most people would be contented to take their own and depart.
I only wish that ordinary people had an unlimited capacity for doing harm; then they might have an unlimited power for doing good.
I decided that it was not wisdom that enabled poets to write their poetry, but a kind of instinct or inspiration, such as you find in seers and prophets who deliver all their sublime messages without knowing in the least what they mean.
Where there is reverence there is fear, but there is not reverence everywhere that there is fear, because fear presumably has a wider extension than reverence.
From the deepest desires often come the deadliest hate.
A system of morality which is based on relative emotional values is a mere illusion, a thoroughly vulgar conception which has nothing sound in it and nothing true.
If all our misfortunes were laid in one common heap, whence everyone must take an equal portion, most people would be content to take their own and depart.
False words are not only evil in themselves, but they infect the soul with evil.