"So, if people didnâ€™t settle down to take up farming, why then did they embark on this entirely new way of living? We have no idea â€“ or actually, we have lots of ideas, but we donâ€™t know if any of them are right. According to Felipe FernÃ¡ndez-Armesto, at least thirty-eight theories have been put forward to explain why people took to living in communities: that they were driven to it by climatic change, or by a wish to stay near their dead, or by a powerful desire to brew and drink beer, which could only be indulged by staying in one place."

-- Bill Bryson

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