A Kew Paragraph that Provides an Outline for the Rest of the Book
The Work of Christ that produces holiness in Believers (1:21-22)  |  Explained in 3:5—4:1 
The Believers Role to Continue in the Faith (1:23a)  |  Explained in 2:6—3:4
Paul’s Role in Proclaiming the Gospel (1:23b)  |  Explained in 1:24—2:5 

A  The Work of Christ that Produces Holiness (1:21-22)

B   Believers Role to continue in the Faith (1:23a)

C   Paul’s Role in Proclaiming the Gospel (1:23b)

C’   Explanation of Paul’s Role (1:24—2:5)

B’   Explanation of the believers’ role to Continue in the Faith (2:6—3:4)

A’   Explanation of Holiness (3:5—4:1)