This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...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).
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Happiness is that state of consciousness which proceeds from the
achievement of one’s values. If a man values productive work, his happiness is the measure of his success in the service of his life. But if a man values destruction, like a sadist — or sel...