Central Idea: God calls us to witness to our world.
Purpose: To challenge Christians to boldly witness.

1. HOW CAN THE WORLD TELL BY OUR WITNESS THAT WE KNOW JESUS? (4:13-14)
2. HOW DOES THE WORLD TRY TO CONTROL OUR WITNESS? (4:15-18)
3. HOW SHOULD WE WITNESS TO AN ANTAGONISTIC WORLD? (4:19-20)
4. HOW DOES THE WORLD RESPOND TO OUR WITNESS? (4:21-22)