Truth is narrow, but grace is wide.
We have to assume now that all mission is cross-cultural.
But the standard churchy spirituality doesn't require any real action, courage, or sacrifice from its attendees.
Currently, young Christians reach adulthood bored with church experience, and with little or no sense of their calling as missionaries.
I found out the hard way that if we don't disciple people, the culture sure will.
Interestingly, it's as though the gospel story of Jesus is the archetypal heroic journey, the embodiment of the very adventure that all people in every epoch have desired.