Keep in mind, the opinions on this site are for the most part speculation and are not necessarily the opinions of the company WITHOUT PREJUDICE
Taken from The Snowball - Warren Buffett and the Business of Life By Alice Schroeder page 680.
"... when in doubt keep holding," he said. "I've made most of my money sitting on my a--."
I can't remember the exact page but another quote was you can always wait and tell them to go to hell tomorrow.