"He who knows what he does not know is better than he who thinks he knows what he does not know."

"The perfect man uses his mind like a mirror – going after nothing, welcoming nothing, responding but not storing."

"The purpose of a net is to catch fish. Once the fish are caught, you can forget the net. The purpose of words is to convey ideas. Once the ideas are grasped, you can forget the words."

"The fish trap is for catching fish; once you've caught the fish, you can forget the trap. The rabbit snare is for catching rabbits; once you've caught the rabbit, you can forget the snare. Words are f…"

"When the world praises him, he is not elated; when the world condemns him, he is not dejected."