Rules of Thumb: 44 Principles to Live, Work, and Thrive By

A timeless guide to laws and principles that can help us make decisions and navigate the chaos of everyday life.

There are laws of nature--like gravity, thermodynamics, and Newtonian principles--that help explain our reality. And then there are human laws, many of which cannot be scientifically proven and yet are clearly true.

The law of ketchup, for example: First there is nothing for a long time ... then suddenly there is too much. Or physicist Douglas Hofstadter's law: Everything always ta...