" If a man receives thirteen coins, he will hanker after sixteen, and possessing them he considers life unbearable unless he now earns forty. Nature, it might be observed, imposes strict boundaries on a person's height and age span, so that in even the most extreme instances no one can rise or fall too far or too short from the rest, whereas no such boundary inhibits money. "

― Daniel Tammet , Thinking In Numbers: On Life, Love, Meaning, and Math