We should govern our moral impulses by what is called non-warseness. If I have a moral impulse, the first thing I should ask myself is does exercising it make the person that I care about worse off? So we're not going to buy stuff some sweatshop because sweatshops are exploited to. That doesn't make them better off. And so the principle of non-Warseness is something that we should use as a habit,. which is the place that if you don't mind, I wanted to go to next.
Civilization and the pleasantness of everyday life depend on unwritten rules. Early in the 20th century, an English mathematician and government official, Lord Moulton, described complying with these rules as "obedience to the unenforceable"--the area of personal choice that falls between illegal acts and complete freedom. Listen as economist Michael Munger talks with EconTalk's Russ Roberts about the power and challenge of the unenforceable.