Prehistory and the Origin of Compassion

Are there goodness and evil? Are we compassionate or ruthless? Selfish or altruistic? Do we cooperate or compete? Although they do not express the same opposition of feelings or traits, those questions refer to the same essential dichotomy. If I had to answer briefly to them, I would say that almost all people — I think of almost everyone I know — are all those things at one time, although in some cases the positive aspect prevails and in others…