"If any value is deeply evolutionarily familiar, it is reproductive success. If any value is truly unnatural, if there is one thing that humans (and all other species in nature) are decisively not designed for, it is voluntary childlessness. All living organisms in nature, including humans, are evolutionarily designed to reproduce. Reproductive success is the ultimate end of all biological existence."

Source : "The Intelligence Paradox". Book by Satoshi Kanazawa, www.theguardian.com. March 22, 2012.

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