I. The Call (3:1-21)
A. The situation
B. The sacred voice
B. The signs
II. The Objections (4:1-17)
A. What if they will not listen?
B. I don't speak well.
C. Please send someone else.
III. The Obedience (4:18-31)
A. Moving forward in response to God's call
B. Partners for the journey
C. Ends in worship