And a man said, "Speak to us of Self-Knowledge." And he answered, saying: Your hearts know in silence the secrets of the days and the nights. But your ears thirst for the sound of your heart's knowledge. You would know in words that which you have always know in thought. You would touch with your fingers the naked body of your dreams. And it is well you should. The hidden well-spring of your soul must needs rise and run murmuring to the sea; And the treasure of your infinite depths would be r...