This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
... motivated by the desire to be “virtuous” or to avoid guilt, no self-sacrifice is involved and his action is really selfish. What is evaded is the question of why the boy feels and desires a s he does. Emotions and desires are not causeless, irreducible primaries: they are the product of the premises one has accepted. The boy “wants” to renounce his career only because he has ac cepted the ethics of altruism; he believes that it is immoral to act for his self-interest. That is the principle directing his actions.

Advocates of the “everyone is selfish” ...
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