Economist Quotes and aphorisms about enough Thomas Sowell Alan Greenspan ,, People don't realize that we cannot forecast the future. What we can do is have probabilities of wh... Alan Greenspan ,, I've been around long enough to know that a good deal of the praise heaped on me I had nothing to d... Paul Samuelson Herbert A. Simon Robert J. Shiller Robert J. Shiller Stephen Leacock Robert Reich Robert Reich