Life comes from the earth and life returns to the earth.
Men honor what lies within the sphere of their knowledge, but do not realize how dependent they are on what lies beyond it.
I dreamed I was a butterfly, flitting around in the sky; then I awoke. Now I wonder: Am I a man who dreamt of being a butterfly, or am I a butterfly dreaming that I am a man?
Rewards and punishments are the lowest form of education.