This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...antasy — nor a social convention — nor a dispensable, subjective luxury, to be switched or discarded in any emergency. Ethics is an objective, metaphysical necessity of man ’s survival — not by the grace of the supernatural nor of your neighbors nor of your whims, but by the grace of reality and the nature of life.

I quote from Galt’s speech: “Man has been cal
led a rational being, but rationality is a matter of choice — and the alternative his nature offers him is: rational being or suicidal animal. Man has to be man — by choice; he has to hold h...
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