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.
PlatoTo be curious about that which is not one's concern while still in ignorance of oneself is ridiculous.
PlatoWhat I say is that 'just' or 'right' means nothing but what is in the interest of the stronger party.
PlatoLet him know how to choose the mean and avoid the extremes on either side, as far as possible. . . . For this is the way of happiness.
PlatoMathematics is like draughts in being suitable for the young, not too difficult, amusing, and without peril to the state.
PlatoBefore all it's necessary to look after the Soul, if you want the head and the rest of the body to function correctly.
PlatoIf one sins against the laws of proportion and gives something too big to something too small to carry it - too big sails to too small a ship, too big meals to too small a body, too big powers to too small a soul - the result is bound to be a complete upset. In an outburst of hubris the overfed body will rush into sickness, while the jack-in-office will rush into the unrighteousness that hubris always breeds.
Plato