This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ull of contradictions (foremost among them is the fallacy of “the stolen concept”). If there is no black and white, there can be no gray — since gray is merely a mixture of the two.
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Before one can identify anything as “gray,” one has to know what is black and what is white. In the field of morality, this means that one must first identify what is good and what i
s evil. And when a man has ascertained that one alternative is good and the other is evil, he has no justification for choosing a mixture. There can be no justification for choosing any part of ...