Plato

But I don't think we shall quarrel about a word - the subject of our inquiry is too important for that.

The greatest wealth is to live content with little.

The greatest mistake in the treatment of diseases is that there are physicians for the body and physicians for the soul, although the two cannot be separated.

Good people do not need laws to tell them to act responsibly, while bad people will find a way around the laws.

He was a wise man who invented God.

No man should bring children into the world who is unwilling to persevere to the end in their nature and education.

The reason is that they utter these words of theirs not by virtue of a skill, but by a divine power - otherwise, if they knew how to speak well on one topic thanks to a skill, they would know how to speak about every other topic too.

Similarly with regard to truth, won't we say that a soul is maimed if it hates a voluntary falsehood, cannot endure to have one in itself, and is greatly angered when it exists in others, but is nonetheless content to accept an involuntary falsehood, isn't angry when it is caught being ignorant, and bears its lack of learning easily, wallowing in it like a pig?

The measure of a man is what he does with power.

So when a man surrenders to the sound of music and lets its sweet, soft, mournful strains, which we have just described, be funnelled into his soul through his ears, and gives up all his time to the glamorous moanings of song, the effect at first on his energy and initiative of mind, if he has any, is to soften it as iron is softened in a furnace, and made workable instead of hard and unworkable: but if he persists and does not break the enchantment, the next stage is that it melts and runs, till the spirit has quite run out of him and his mental sinews (if I may so put it) are cut, and he has become what Homer calls "a feeble fighter".

Physical excellence does not of itself produce a good mind and character: on the other hand, excellence of mind and character will make the best of the physique it is given.

You should not honor men more than truth.

Money-makers are tiresome company, as they have no standard but cash value.

....harmony that would fittingly imitate the utterances and accents of a brave man who is engaged in warfare or in any enforced business, and who, when he has failed [_] confronts fortune with steadfast endurance and repels her strokes

For to fear death, men, is in fact nothing other than to seem to be wise, but not to be so. For it is to seem to know what one does not know: no one knows whether death does not even happen to be the greatest of all goods for the human being; but people fear it as though they knew well that it is the greatest of evils.

I would teach children music, physics, and philosophy; but most importantly music, for the patterns in music and all the arts are the keys to learning

No wealth can ever make a bad man at peace with himself

Musical innovation is full of danger to the State, for when modes of music change, the fundamental laws of the State always change with them.