This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...e can objectively be taken to mean agreement with or sanction of evil. When one deals with irrational persons, where argument is futile, a mere “I don’t agree with you” is sufficient to ne
gate any implication of moral sanction. When one deals with better people, a full statement of one’s views may be morally required. But in no case and in no situation may one permit one’s ow
n values to be attacked or denounced, and keep silent.
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Moral values are the motive power of a man’s actions. By pronouncing moral judgment, one protects the clarity of one’s ow...