This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
... or subconsciously, explicitly or implicitly.
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Man has no choice about his capacity to feel that something is good for him or evil, but what he will consider good or evil, what will
give him joy or pain, what he will love or hate, desire or fear, depends on his standard of value. If he chooses irrational values, he switches his emotional mechanism from the role of his guar
dian to the role of his destroyer. The irrational is the impossible; it is that which contradicts the facts of reality; facts cannot be altered by a wish, but they can destroy the wisher. If a m...