This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...ductory issue in the field of morality. It is not a substitute for morality nor a criterion of moral value, as altruism has made it. Neither is it a moral primary : it has to be derived from and validated by the fundamental premises of a moral system.

The Objectivist ethics holds that the actor must always be the beneficiary of his action and that man must act for his own
rational self-interest. But his right to do so is derived from his nature as man and from the function of moral values in human life — and, therefore, is applicable only in the context of a r...
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