This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...t the fact that living entities exist and function necessitates the existence of values and of an ultimate value which for any given living entity is its own life. Thus the validation of value j
udgments is to be achieved by reference to the facts of reality. The fact that a living entity is, determines what it ought to do. So much for the issue of the relation between “/.s'” a
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Now in what manner does a human being discover the concept of “ value ”? By what means does he first become aware of the issue of “good or evil” in its simp...