That's a different take on hospitality

Meanwhile, married Christians bear children to witness to the church’s conviction that God has not given up and will not give up on God’s creation. Christians have children because they believe the world has a future. And they have children to witness to and practice hospitality, for no strangers can challenge us so much as the intimate strangers we call children.— Naming Neoliberalism: Exposing the Spirit of Our Age, 97

<idle musing>
While I can't say I disagree with what he says about children being strangers, I'm not sure I would have put it that way! But he is definitely correct that given the state of the world and its future, it takes faith to bring children into it.
</idle musing>