The role of inequity in society is grossly underestimated. Inequity is not good for your health, basically.
Frans de WaalTo endow animals with human emotions has long been a scientific taboo. But if we do not, we risk missing something fundamental, about both animals and us.
Frans de WaalThere's actually a lot of evidence in primates and other animals that they return favors.
Frans de WaalIf you ask anyone, what is morality based on? These are the two factors that always come out: One is reciprocity, … a sense of fairness, and the other one is empathy and compassion.
Frans de Waal