This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...> Observe the basic principle governing justice in all these cases: it is the principle that no man may obtain any values from others without the owners’ consent — and, as a corollary, that a man’s rights may not be left at the mercy of the unilateral decision, the arbitrary choice, the irrationality, the whim of another man.

Such, in essence, is the proper purpose
of a government: to make social existence possible to men, by protecting the benefits and combating the evils which men can cause to one another.

The proper functions of a governme...
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