True opinions are a fine thing and do all sorts of good so long as they stay in their place; but they will not stay long. They run away from a man's mind, so they are not worth much until you tether them by working out the reason. Once they are tied down, they become knowledge, and are stable.
False words are not only evil in themselves, but they infect the soul with evil.
Tyranny naturally arises out of democracy.
He meant friends owe  something good to their friends, never something bad.
From all these, then, they will be finally free, and they will live a happier life than that men count most happy, the life of victors at Olympia.
We ought to fly away from earth to heaven as quickly as we can; and to fly away is to become like God, as far as this is possible; and to become like him is to become holy, just, and wise.