" Up until then the assumption had always been that domestication diminishes brainpower, literally reducing grey matter and in the process sacrificing skills needed to survive in the wild. We all know the clichés. Sly as a fox. Dumb as an ox. But Brian came to a completely different conclusion. ‘If you want a clever fox,’ he says, ‘you don’t select for cleverness. You select for friendliness. "
― Rutger Bregman , Humankind: A Hopeful History