"HE has short hair and a long brown beard. He is wearing a three-piece suit. One imagines him slumped over his desk, giggling helplessly. Pushed to one side is an apparatus out of a junior-high science experiment: a beaker containing some ammonium nitrate, a few inches of tubing, a cloth bag. Under one hand is a piece of paper, on which he has written, "That sounds like nonsense but it is pure on sense!" He giggles a little more. The writing trails away. He holds his forehead in both hands. He is stoned. He is William James, the American psychologist and philosopher. And for the first time he feels that he is understanding religious mysticism. "
Algebraic symbols are used when you do not know what you are talking about. -- Philippe Schnoebelen