To be sane in a world of madman is in itself madness.
To make a man richer, give him more money of curb his desires.
Take from the philosopher the pleasure of being heard and his desire for knowledge ceases.
Abstract truth is the eye of reason.
But remain the teacher of the young teachers. Advise and direct us, and we will be ready to learn. I will have need of you as long as I live.
An honest man nearly always thinks justly.