"The beginning of wisdom is the definition of terms."

"The really important thing is not to live, but to live well. And to live well meant, along with more enjoyable things in life, to live according to your principles."

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"Esteemed friend, citizen of Athens, the greatest city in the world, so outstanding in both intelligence and power, aren't you ashamed to care so much to make all the money you can, and to advance your reputation and prestige--while for truth and wisdom and the improvement of your soul you have no care or worry?"

"The hottest love has the coldest end."

"I will not yield to any man contrary to what is right, for fear of death, even if I should die at once for not yielding."

"And therefore if the head and the body are to be well, you must begin by curing the soul; that is the first and essential thing. And the care of the soul, my dear youth, has to be effected by the use of certain charms, and these charms are fair words; and by them temperance is implanted in the soul, and where temperance comes and stays, there health is speedily imparted, not only to the head, but to the whole body."

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

"I only wish that ordinary people had an unlimited capacity for doing harm; then they might have an unlimited power for doing good."

"One should eat to live; not live to eat."

"Once made equal to man, woman becomes his superior."

"The true champion of justice, if he intends to survive even for a short time, must necessarily confine himself to private life and leave politics alone."

"If you want to be a good saddler, saddle the worst horse; for if you can tame one, you can tame all."

"The mind is everything; what you think you become."

"An unconsidered life is not one worth living."

"Beware the barrenness of a busy life."

"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."

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"My friend...care for your psyche...know thyself, for once we know ourselves, we may learn how to care for ourselves"

"No man has the right to be an amateur in the matter of physical training. It is a shame for a man to grow old without seeing the beauty and strength of which his body is capable."