Plato

The excessive increase of anything causes a reaction in the opposite direction.

All men are by nature equal, made all of the same earth by one Workman; and however we deceive ourselves, as dear unto God is the poor peasant as the mighty prince.

Any man may easily do harm, but not every man can do good to another.

The most powerful force ever known on this planet is human cooperation - a force for construction and destruction.

Exeter was, I suspect, more crucial in my life than in the lives of most members of my class, and conceivably, than in the lives of almost anyone else who ever attended the school.

Well, I actually wrote her a letter a couple of days ago congratulating her. The tone I tried to convey in the letter is, look, you are a part of a great American historical process.