This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ture of the laws proper to a free society and the source of its government’s authority are both to be derived from the nature and purpose of a proper government. The basic principle of both is
indicated in The Declaration of Independence: “to secure these [individual] rights, govern- ments are instituted among men, deriving their just powers from the consent of the governed ...”
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Since the protection of individual rights is the only proper purpose of a government, it is the only proper subject of legislation: all laws must be based on individual rights and ...