This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...laws or requirements of another, supernatural dimension, that ethics is impossible for man to practice, that it is unsuited for and opposed to man’s life on earth, and that man must take the b
lame for it and suffer through the whole of his earthly existence, to atone for the guilt of being unable to practice the impracticable. The Dark Ages and the Middle Ages are the existential mon
u- ment to this theory of ethics.
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The social theory of ethics substitutes “society” for God — and although it claims that its chief concern is life on earth, it is not the li...