This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... ought .” Man is free to choose not to be conscious, but not free to escape the penalty of unconsciousness: destruction. Man is the only living species that has the power to act as his own des troyer — and that is the way he has acted through most of his history.

What, then, are the right goals for man to pursue? What are the values his survival requires? That is the q
uestion to be answered by the science of ethics. And this, ladies and gentlemen, is why man needs a code of ethics.

Now you can assess the meaning of the doctrines which tell you t...
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