In another dispute with his people in Malachi 3:6-12, God gave his people of that day a lesson in generosity, which Christians need to learn as well, especially as it has been transformed by the coming of Christ.
If we invest in making disciples, our lives become bound up with theirs to die and live together.
Even though it was hard for the Hebrew slaves to see it, and hard for us sometimes, God does care.
The lifestyle of citizens of the kingdom of God includes unity, joy, and humility.