He who is not contented with what he has, would not be contented with what he would like to have.
We are what we repeatedly do. Excellence, then, is a habit.
Death may be the greatest of all human blessings.
I cannot teach anybody anything, I can only make them think.
Employ your time in improving yourself by other men's writings, so that you shall gain easily what others have labored hard for.
Education is the kindling of a flame, not the filling of a vessel.
By all means marry; if you get a good wife, you'll be happy. If you get a bad one, you'll become a philosopher.
There is only one good, knowledge, and one evil, ignorance.
Beware the barrenness of a busy life.
I know nothing except the fact of my ignorance.
Do not do to others what angers you if done to you by others.
I am not an Athenian or a Greek, but a citizen of the world.
Bad men live that they may eat and drink, whereas good men eat and drink that they may live.
Envy is the ulcer of the soul.
Could I climb to the highest place in Athens, I would lift my voice and proclaim, "Fellow citizens, why do you turn and scrape every stone to gather wealth, and take so little care of your children to whom one day you must relinquish it all?"
Remember, no human condition is ever permanent. Then you will not be overjoyed in good fortune nor too scornful in misfortune.
How many things I have no need of! That is what Socrates often said, according to Diogenes Laertius, when looking at a mass of things for sale.
The unexamined life is not worth living for a human being.
Get not your friends by bare compliments, but by giving them sensible tokens of your love.
The greatest way to live with honor in this world is to be what we pretend to be; and if we observe, we shall find, that all human virtues increase and strengthen themselves by the practice of them.
Having the fewest wants, I am nearest to the gods.
Think not those faithful who praise all thy words and actions; but those who kindly reprove thy faults.
If a man is proud of his wealth, he should not be praised until it is known how he employs it.
I was really too honest a man to be a politician and live.
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.