Man is a prisoner who has no right to open the door of his prison and run away... A man should wait, and not take his own life until God summons him.
All knowledge is but remembrance.
Any city, however small, is in fact divided into two, one the city of the poor, the other of the rich; these are at war with one another.
Twice and thrice over, as they say, good is it to repeat and review what is good.
Train children not by compulsion but as if they were playing.
No one is a friend to his friend who does not love in return.