 Other theorists explore factors that could detail or add to Berthrong’s list—e.g., trade and conquests (Gayatriprana 2020), shared human evolutionary biology (Wildman 2017), and the evolution of moral development (Wright  2010).[4]  Still, most take the second concern about enculturation to stick and thus to temper the optimism: there is both a shared humanity and real cultural difference to own in reaching a global idea of ultimacy. Raimon Panikkar says it well: