The early Christian claim that the God-man Jesus had been crucified for the sake of the world was 'foolishness' to the Greco-Roman world. Yet this countercultural belief in a God of sacrificial love ended up reshaping our instincts about human value, equality and compassion.

Justin resumes his conversation with Tom Holland alongside other historians and thinkers on how early Christianity contributed to the end of child exposure, the rise of adoption, hospitals and healthcare, and a path towards the abolition of slavery. Holland also shares how an experience in a ruined church in Iraq left a profound impact on him.