To take what you know for what you know, and what you do not know for what you do not know, that is knowledge indeed.

We should feel sorrow, but not sink under its oppression; the heart of a wise man should resemble a mirror, which reflects every object without being sullied by any

The archer who misses his mark does not blame the target. He stops, corrects himself and shoots again.

The highest kind of man is the one who does before talking and practices what he professes.

I have not seen one who loves virtue as he loves beauty.

Heaven begat Virtue in me; what can man do unto me?

What is necessary is to rectify names.