The morality of our inner hunter-gatherer, farmer and citizen

Our morality is layered: every phase of human history has left its mark. Culturally, we still have layers of hunter-gatherer, farmer, and citizen in our morality.

In this series we study human morality to understand our moral judgments: how do we distinguish right from wrong in human behaviour. Toleration is about allowing things we disapprove of. Only when we understand why we find some things wrong can we understand why we can sometimes allow them.

Philosophers, in particular, are concerned with the study of mor…