The race of the guardians must be kept pure.

Thinking and spoken discourse are the same thing, except that what we call thinking is, precisely, the inward dialogue carried on by the mind with itself without spoken sound.

O youth or young man, who fancy that you are neglected by the gods, know that if you become worse, you shall go to worse souls, or if better to the better... In every succession of life and death, you will do and suffer what like may fitly suffer at the hands of like. This is the justice of heaven.

Love is a madness produced by an unsatisfiable rational desire to understand the ultimate truth about the world.

Not only is the old man twice a child, but also the man who is drunk.

Our greatest blessings come to us by way of madness, provided the madness is given us by divine gift.

People regard the same things, some as just and others as unjust, - about these they dispute; and so there arise wars and fightings among them.