This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... men “are endowed by their Creator with certain unalienable rights.” Whether one believes that man is the product of a Creator or of nature, the issue of man’s origin does not alter the fa
ct that he is an entity of a specific kind — a rational being — that he cannot function successfully under coercion, and that rights are a necessary condition of his particular mode of survi
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“The source of man’s rights is not divine law or congressional law, but the law of identity. A is A — and Man is Man. Rights are conditions of existence required by man�...