If you wonder, why it is the Tarahumara don't fight and don't die of heart disease, why a poor Ethiopian woman named Derartu Tulu can be the most compassionate and yet the most competitive, and why we somehow were able to find food without weapons, perhaps it's because humans, as much as we like to think of ourselves as masters of the universe, actually evolved as nothing more than a pack of hunting dogs.
「なぜタラフマラ族は戦わないの？」 「なぜタラフマラ族に心臓病がないの？」 「なぜエチオピア出身の貧しいツルが 競争心と思いやりを持ち合わせていたの？」 「武器なしでどうやって 原始人は食料にありついたの？」 このように不思議に思うのは 人類は自身を宇宙の支配者と 考えるが 実のところ狩猟犬と