This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...nly valid justification of a government and defined its only proper purpose: to protect man’s rights by protecting him from physical violence.
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Thus the government’s function wa
s changed from the role of ruler to the role of servant. The government was set to protect man from criminals — and the Constitution was written to protect man from the government. The Bill of
Rights was not directed against private citizens, but against the government — as an explicit declaration that individual rights supersede any public or social power.