This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... be “gray” men, but there can be no “gray” moral principles. Morality is a code of black and white. When and if men attempt a compromise, it is obvious which side will necessarily lose a
nd which will necessarily profit.
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Such are the reasons why — when one is asked: “Surely you don’t think in terms of black-and-white, do you?” — the proper answer (in esse
nce, if not in form) should be: “You’re damn right 1 do!”
10. Collectivized Ethics
by Ayn Rand