This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...ork according to the kind of values he chooses. It is his values that determine what a man feels to be for him or against him; it is his values that determine what a man seeks for pleasure.
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If a man makes an error in his choice of values, his emotional mechanism will not correct him: it has no will of its own. If a man’s values are such that he desires things which, in
fact and in reality, lead to his destruction, his emotional mechanism will not save him, but will, instead, urge him on toward destruction: he will have set it in reverse, against himself and ag...