<i>In Europe, Enlightenment rationalism enabled smart people to say “wait, that’s nasty and stupid.” Christian morality gradually became less barbarous, and evolved into secular ethics.</i><p>It is not that simple: <a href="http:&#x2F;&#x2F;www.theatlantic.com&#x2F;magazine&#x2F;archive&#x2F;2015&#x2F;10&#x2F;how-david-hume-helped-me-solve-my-midlife-crisis&#x2F;403195&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.theatlantic.com&#x2F;magazine&#x2F;archive&#x2F;2015&#x2F;10&#x2F;how-davi...</a>