Socrates

"It is better to suffer injustice than to commit it."

"If you would be a real seeker after truth, it is necessary that at least once in your life you doubt, as far as possible, all things."

"The only way to deal with an unfree world is to become so absolutely free that very existence is an act of rebellion."

"To be everywhere is to be nowhere."

"I want to make the very best of myself, for who could know, or who can tell what the upper limit of my capacity is?"

"He who is unable to live in society, or who has no need because he is sufficient for himself, must be either a beast or a god."

"Strong minds discuss ideas, average minds discuss events, weak minds discuss people."

"The poets are only the interpreters of the gods."

"Courage is resistance to fear, mastery of fear—not absence of fear."

"Virtue is its own reward."

"Nothing is to be feared except fear itself."

"I delight in the Agora, for here I find mankind."

"The greater the difficulty, the more glory in surmounting it."

"No one is willing to learn from one who is rough or brutal."

"Sleep is the best meditation."

"The man who makes no mistakes does not try new things."

"Our prayers should be for blessings in general, for God knows best what is good for us."

"In every conceivable manner, the family is link to our past, bridge to our future, and bonds to one another."

"Beware the barrenness of a busy life."

"Music is a moral law. It gives soul to the universe, wings to the mind, flight to the imagination, and charm and gaiety to life and to everything."

"The secret of a good life is to have the right loyalties and hold them in the right scale of values."

"Health is the greatest of all possessions; a pale cobbler is better than a rosy corpse."

"Employ your time in improving yourself by other men's writings."

"We cannot live only for ourselves. A thousand fibers connect us with our fellow men; and among those fibers, as sympathetic threads, our actions run as causes, and they come back to us as effects."

"Not life, but good life, is to be chiefly valued."

"The only certain knowledge is that we know nothing."

"Let him that would move the world first move himself."

"Once you stop learning, you start dying."

"Admitting ignorance is often the first step to knowledge."

"I am wiser than this man; neither of us probably knows anything great and good; but he fancies he knows something, although he knows nothing; whereas I, as I do not know anything, so I do not fancy I do."