Pinker — “Morality, then, is not a set of arbitrary…”
Source: The Better Angels of Our Nature: Why Violence Has Declined — Steven Pinker
Book page: pinker-selected-works-part-1
From: Steven Pinker — Quotes
Morality, then, is not a set of arbitrary regulations dictated by a vengeful deity and written down in a book; nor is it the custom of a particular culture or tribe. It is a consequence of the interchangeability of perspectives and the opportunity the world provides for positive-sum games.