"That is because you don't yet know how to deal with time," said Wen. "But I will teach you to deal with time as you would deal with a coat, to be worn when necessary and discarded when not." "Will I have to wash it?" said Clodpool. Wen gave him a long, slow look. "That was either a very complex piece of thinking on your part, Clodpool, or you were just trying to overextend a metaphor in a rather stupid way. Which, do you think, it was?" Clodpool looked at his feet. Then he looked at the sky. Then he looked at Wen. "I think I am stupid, master." "Good," said Wen. "It is fortuitous that you are my apprentice at this time, because if I can teach you, Clodpool, I can teach anyone."