"He who is not a good servant will not be a good master."

"Wealth, and poverty; the one is the parent of luxury and indolence, and the other of meanness and viciousness, and both of discontent."

"Men say that everyone is naturally a lover of himself, and that it is right that it should be so. This is a mistake; for in fact the cause of all the blunders committed by man arises from this excessive self-love. For the lover is blinded by the object loved, so that he passes a wrong judgment upon what is just, good, and beautiful, thinking that he ought always to honor what belongs to himself, in preference to truth. For he who intends to be a great man ought to love neither himself nor his own things, but only what is just, whether it happens to be done by himself or by another."

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

"I thought to myself: I am wiser than this man; neither of us probably knows anything that is really good, but he thinks he has knowledge, when he has not, while I, having no knowledge, do not think I have.,."

"Isn't it a bad thing to be deceived about the truth, and a good thing to know what the truth is?"

"Good actions can strengthen ourselves and inspire good actions to others."

"If a man neglects education, he walks lame to the end of his life."

"Friends have all things in common."

"Evil is the vulgar lover who loves the body rather than the soul, inasmuch as he is not even stable, because he loves a thing which is in itself unstable, and therefore when the bloom of youth which he was desiring is over, he takes wing and flies away, in spite of all his words and promises; whereas the love of the noble disposition is life-long, for it becomes one with the everlasting."