Dustin quoted Sapiens by Yuval Noah Harari

Yuval Noah Harari: Sapiens (2015)
O que possibilitou ao Homo sapiens subjugar as demais espécies? O que nos torna capazes …
The Sumerians thereby released their social order from the limitations of the human brain, opening the way for the appearance of cities, kingdoms and empires. The data-processing system invented by the Sumerians is called ‘writing’.
— Sapiens by Yuval Noah Harari