This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...sciousness works on the same principle, acting as a barometer of what is for him or against him, what is beneficial to his life or inimical. But man is a being of volitional consciousness, he ha s no innate ideas, no automatic or infallible knowledge of what his survival depends on. He must choose the values that are to guide his actions and set his goals. His emotional mechanism will w 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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