I am not an Athenian or a Greek, but a citizen of the world.
Education is the kindling of a flame, not the filling of a vessel.
The secret of change is to focus all of your energy, not on fighting the old, but on building the new.
True wisdom comes to each of us when we realize how little we understand about life, ourselves, and the world around us.
Remember that there is nothing stable in human affairs; therefore avoid undue elation in prosperity, or undue depression in adversity.
My advice to you is get married: if you find a good wife you'll be happy; if not, you'll become a philosopher. And that is a good thing for any man
The children now love luxury; they have bad manners, contempt for authority; they show disrespect for elders and love chatter in place of exercise. Children are now tyrants, not the servants of their households. They no longer rise when elders enter the room. They contradict their parents, chatter before company, gobble up dainties at the table, cross their legs, and tyrannize their teachers.