This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... 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 f-torture, like a masochist — or life beyond the grave, like a mystic — or mindless “kicks,” like the driver of a hotrod car — his alleged happiness is the measure of his success in th e service of his own destruction. It must be added that the emotional state of all those irrationalists cannot be properly designated as happiness or even as pleasure: it is merely a moment’s ...
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