In the Ancient Greek city of Miletus, there lived a philosopher named Thales. It is said that he was asked by the people why, if he was so wise, he was also poor. Surely if he were truly wise, they said, he would be a wealthy man. He may have knowledge of science and philosophy, they said, but he seemed to have no skill for using them in the real world. Thales sought to prove these critics wrong. Using his knowledge of meteorology, economics, psychology, and his sharp, analytical mind, Thales devised a plan…