Let's imagine there is a man on an island, somewhere far across the globe, and a missionary has yet to reach him. The man has never heard the name of Jesus. Is he a sinner? If so, how is he to be reconciled with God?
Justin Martyr was a second-century theologian and defender of the faith who wrote two Apologies and Dialogue with Trypho, but most importantly, he knew how to start a conversation about Jesus.