This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ion or a trade, but precisely the betrayal of one’s principles — the unilateral surrender to any groundless, irrational claim. The root of that doctrine is ethical subjectivism, which holds
that a desire or a whim is an irreducible moral primary, that every man is entitled to any desire he might feel like asserting, that all desires have equal moral validity, and that the only way
men can get along together is by giving in to anything and “compromising” with anyone. It is not hard to see who would profit and who would lose by such a doctrine.
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