This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...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 an desires and pursues contradictions — if he wants to have his cake and eat it, too — he disintegrates his consciousness; he turns his inner life into a civil war of blind forces engaged in dark, incoherent, pointless, meaningless conflicts (which, incidentally, is the inner state of most people today).

Happiness is that state of consciousness which proceeds from the...
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