This is a quote from the book "The Virtue Of Selfishness" by Ayn Rand
...is nature, is to man’s self-interest; to seek to live as an animal, is not.” 5
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Because a genuinely selfish man chooses his goals by the guidance of reason — and because the i
nterests of rational men do not clash — other men may often benefit from his actions. But the benefit of other men is not his primary purpose or goal; his own benefit is his primary purpose an
d the conscious goal directing his actions.
To make this principle fully clear, let us consider an extreme example of an action which, in fact, is selfish, but which conventionally...