To Mr. Jones, she said, imagine you're looking up at a blue sky, and imagine a tiny airplane skywriting the letter Z. Then let the wind erase the letter. Then imagine the plane writing the letter Y. Let the wind erase it. Then the letter X. Erase it. Then the letter W. Let the wind erase it.
Chuck Palahniuk, Choke
choke, chuck-palahniuk, mind, subconscious, zen