God tells the Israelites to seek the welfare of the city when they were exiled to Babylon. For he knows the plans for them, to prosper them. In a similar way we should seek the welfare of out city. Though we are exiles in this land and a culture separate from this culture. Have an impact.

Jeremiah 29:1-14

Acts 19:19-29

Matthew 5:13-16

Acts 8:4-8