Epictetus

"It is not things that disturb us, but our judgments about things."

"Freedom is not procured by a full enjoyment of what is desired, but by controlling the desire."

"No one can rob you of your free will."

"Wealth consists not in having great possessions, but in having few wants."

"You have power over your mind—not outside events. Realize this, and you will find strength."

"Man is not troubled by things, but by the views he takes of them."

"The chief task in life is simply this: to identify what things are within our own control and what things are not."

"Difficulties are things that show what men are."

"Waste no more time arguing about what a good man should be. Be one."

"It is impossible for a person to learn what he thinks he already knows."

"You are a little soul carrying around a corpse."

"First say to yourself what you would be; and then do what you have to do."

"If you wish to improve, be content to appear foolish and stupid."

"Failure is not in falling down. Failure is in not getting up."

"Know that you are an actor in a drama of whatever kind the author chooses."

"It is not the man who has too little, but the man who craves more, that is poor."

"Zeus has made me free."

"Progress is not achieved by luck or accident, but by working on yourself daily."

"The truly free individual is free only to the extent of his own self-mastery."

"Envy is the enemy of happiness."

"When you are offended at any man's fault, turn to yourself and study your own failings."

"You will always be frustrated as long as you insist things should be the way you want them."

"Sickness is a hindrance to the body, but not to your ability to choose."

"The appearance of things to the mind is the standard of every man's actions."

"We cannot choose our external circumstances, but we can always choose how we respond to them."

"What would have become of Hercules if there had been no lion, hydra, stag, or savage men?"

"Keep your attention focused entirely on what is truly your own concern, and be clear that what belongs to others is their business."

"You will become as small as your controlling desire; as great as your dominant aspiration."

"Make the best use of what is in your power, and take the rest as it happens."

"Discipline is choosing between what you want now and what you want most."