"I turned myself from a pessimist into an optimist and I liked that so much. I've never gone back to pessimism and I don't know why so many people spend so much time in a pessimistic reality tunnel. It's a miserable place to live but some people feel if they leave it they feel guilty."

From: Consciousness, Conspiracy, and Coincidence - Part Two (Thinking Allowed w/ Jeffrey Mishlove)