This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand

The present discussion has to be confined to the subject of ethics. I have presented the barest essentials of my system, but they are sufficient to indicate in what manner
the Objectivist ethics is the morality of life — as against the three major schools of ethical theory, the mystic, the social, the subjective, which have brought the world to its present state and which represent the morality of death.

These three schools differ only in their method of approach, not in their content. In content, they are merely variants of altruism, the...
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