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.
As the second Adam and the faithful Israel, Jesus resisted temptation and so can help us when we are tempted.
In a brief burst of practical instructions, we learn how to treat church leaders, other church numbers, and everyone else.
Christian thinking is thinking like Jesus, especially as seen in his becoming one of us to die on the cross.