This is a quote from the book "The ​Virtue Of Selfishness" by Ayn Rand
...not value himself, cannot value anything or anyone.

It is only on the basis of rational selfishness — on the basis of justice — that men can be fit to live together in a free,
peaceful, prosperous, benevolent, rational society.

Can man derive any personal benefit from living in a human society? Y es — if it is a human society. The two great values to b
e gained from social existence are: knowledge and trade. Man is the only species that can transmit and expand his store of knowledge from generation to generation; the knowledge potentially avai...
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