Socrates

“My advice to you is get married: if you find a good wife you'll be happy; if not, you'll become a philosopher.”

“I am the wisest man alive, for I know one thing, and that is that I know nothing.”

“Regard your good name as the richest jewel you can possibly be possessed of -- for credit is like fire; when once you have kindled it you may easily preserve it, but if you once extinguish it, you will find it an arduous task to rekindle it again. The way to a good reputation is to endeavor to be what you desire to appear.”

“Wisdom begins in wonder.”

“Let him that would move the world first move himself.”

“Be true to thine own self”

“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.”

“Not life, but good life, is to be chiefly valued.”

“All men's souls are immortal, but the souls of the righteous are immortal and divine.”

“I only know that I know nothing”

“The children now love luxury. They have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise.”

“The end of life is to be like God, and the soul following God will be like Him.”

“For the poet is a light and winged and holy thing, and there is no invention in him until he has been inspired and is out of his senses, and the mind is no longer in him: when he has not attained to this state, he is powerless and is unable to utter his oracles.”

“Beware the barrenness of a busy life.”

“The misuse of language induces evil in the soul”

“The beginning of wisdom is the definition of terms.”

“It is not living that matters, but living rightly.”

“The only true wisdom is in knowing you know nothing.”

“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.”

“The only thing I know is that I know nothing, and i am no quite sure that i know that.”