Lesson 9: In Order To Do Good, You May Have To Engage in Evil

Every action has an opposite and equal reaction. It’s a law of the universe as we currently understand it. In a more general sense, every action has consequences, both positive and negative. A lot of ripples are going to be created when something as large as a nation or as blunt as military force throws a stone into a pond. McNamara urges us to remember that in order to do good, you may have to engage in evil.

Objectively, there is no greater evil than ending a human life. If one is religious, edicts against killing are found in every sacred text. If not, it’s a waste beyond measure to end a nearly cosmically impossible life.

Yet, the United States has certain values and certain responsibilities on the world stage. If the United Nations decides that genocide is occurring, it is our responsibility to stop it, with military force if necessary. If an ally is attacked, we are bound to protect them, with military force if necessary. If we are attacked, we must defend ourselves. A nation can do none of these things without engaging in evil.

The key is to minimize the evil as much as possible. Continue reading

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