The love, more especially, which is concerned with the good, and which is perfected in company with temperance and justice, whether among gods or men, has the greatest power, and is the source of all our happiness and harmony, and makes us friends with the gods who are above us, and with one another.

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 on 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.

Those whose hearts are fixed on Reality itself deserve the title of Philosophers.

Mathematics is the language in which the gods talk to people.

Do thine own work, and know thyself.

I do not think it is permitted that a better man be harmed by a worse.

What a poor appearance the tales of poets make when stripped of the colours which music puts upon them, and recited in simple prose.