This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
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The Objectivist ethics proudly advocates and upholds rational selfishness — which means: the values required for man’s survival qua man — which means: the values required fo
r human survival — not the values produced by the desires, the emotions, the “aspirations,” the feelings, the whims or the needs of irrational brutes, who have never outgrown the primordia l practice of human sacrifices, have never discovered an industrial society and can conceive of no self-interest but that of grabbing the loot of the moment.

The Objectivist ethics...
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