Flattery is like friendship in show, but not in fruit.

Philebus was saying that enjoyment and pleasure and delight, and the class of feelings akin to them, are a good to every living being, whereas I contend, that not these, but wisdom and intelligence and memory, and their kindred, right opinion and true reasoning, are better and more desirable than pleasure

Wisest is he who knows he knows not.

Whenever any one informs us that he has found a man who knows all the arts, and all things else that anybody knows, and every single thing with a higher degree of accuracy than any other man - whoever tells us this, I think that we can only imagine him to be a simple creature who is likely to have been deceived by some wizard or actor whom he met, and whom he thought all-knowing, because he himself was unable to analyse the nature of knowledge and ignorance and imitation.

Do not do to others what angers you if done to you by others.

Wealth does not bring about excellence (aka areté), but excellence (aka areté) brings about wealth and all other public and private blessings for men.

You don't know what you don't know.