[Herbert] Hoover, had he been challenged with the overpowering implausibility of his notion that economic life is a race that is won by the ablest runner, would have had a ready answer from his own biography: had he not started in life as a poor orphan and worked in the mines for a pittance, and had he not become first a millionaire and then President of the United States? There are times when nothing is more misleading than personal experience, and the man whose experience has embraced only success is likely to be a forlorn and alien figure when his whole world begins to fail.