Ethics

Why do we consider lying to be illogical even when it can produce good? I can think of many examples where lying can do more good than harm especially when its used for the benefit of others and not for selfesh gain. CAL

Comments

I'm not sure that most people

I'm not sure that most people consider lying to be illogical even when it can produce good. More likely they consider lying to be presumptively immoral, and they allow that the moral presumption against lying is overridden in some circumstances. Take a case of the kind you described: imagine lying to a known murderer about the (nearby) location of the next innocent person he's seeking to murder. In that case, I'd agree that the moral presumption against lying is overridden by the good of protecting the innocent person. All else being equal, one shouldn't lie. But sometimes all else isn't equal.

Immanuel Kant (1724-1804) is a famous philosopher who holds that lying is never morally okay: that the moral presumption against lying is never overridden. In fact, he argues that lying is illogical in a particular sense. I don't find his argument compelling, but you can learn more about it in this SEP entry; see especially section 5.

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