27. “I’m the master of low expectations.”

—aboard Air Force One, June 4, 2003

26. “I’m also not very analytical. You know I don’t spend a lot of time thinking about myself, about why I do things.”

—aboard Air Force One, June 4, 2003

…and 47 more (via: Truly Equal).

Wikiquote also has a collection of absolute marbles (and frogs).