“These modes of coordination depended decisively on instincts of solidarity and altruism – instincts applying to the members of one’s own group but not to others. The members of these small groups could thus exist only as such: an isolated man would soon have been a dead man. The primitive individualism described by Thomas Hobbes is hence a myth. The savage is not solitary, and his instinct is collectivist. There was never a ‘war of all against all’.”