This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...hers — and it is here that the “package deal” of pronouncing both sides “gray” is least permissible. It is in such issues that the most rigorous precision of moral judgment is required
to identify and evaluate the various aspects involved — which can be done only by unscrambling the mixed elements of “black” and “white.”
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The basic error in all these va
rious confusions is the same: it consists of forgetting that morality deals only with issues open to man’s choice — which means: forgetting the difference between “unable” and “unwilli...