Why do we want more and more money regardless of how much we already have? Why do we hate to be manipulated and to lose? Why do twenty percent of the people own eighty percent of the wealth? Why in most languages, the most common word appears twice as often as the second most common word? Why the digit "1" appears in company balance sheets six and a half times more often than the digit "9"? Why does nature hate "bubbles"? The cause for all these phenomena is the very same law that makes water flow from high to low, and heat - from hot place to a cold one. This law, which for historical...