From The art of looking sideways, by Alan Fletcher. Quotes are by the author, unless otherwise noted.

Gold mining consists of sifting three tons of rubbish for each ounce of gold extracted.

It’s always better to be looked over than overlooked.
-Mae West

The man who can’t visualize a horse galloping on a tomato is an idiot.
-Andre Breton

Thinking is drawing in your head.

Art, like morality, consists in drawing the line somewhere.
-G. K. Chesterton