It can be argued that man's instinct to gamble is the only reason he is still not a monkey up in the trees.
Mario PuzoEven as a young man, Vito Corleone became known as a "man of reasonableness." He never uttered a threat. He always used logic that proved to be irresistible. He always made certain that the other fellow got his share of profit. Nobody lost. He did this, of course, by obvious means. Like many businessmen of genius he learned that free competition was wasteful, monopoly efficient. And so he simply set about achieving that efficient monopoly.
Mario Puzo