This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...t to self- defense. In a civilized society, force may be used only in retaliation and only against those who initiate its use. All the reasons which make the initiation of physical force an evil
, make the retaliatory use of physical force a moral imperative.
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If some “pacifist” society renounced the retaliatory use of force, it would be left helplessly at the mercy of
the first thug who decided to be immoral. Such a society would achieve the opposite of its intention: instead of abolishing evil, it would encourage and reward it.
If a society pro...