A  Introduction and thesis (1:1-12)

B  Two Ways: Paul, before and after conversion (1:11-2:10)

C  Justification by faith (2:11-3:4)

D   Examples and Illustrations from the Old Testament (Abraham) (3:5-29)

E   Redemption by Christ (4:1-20)

D'  Examples and Illustrations from the Old Testament (Sarah & Hagar, Isaac & Ishmael, Jerusalem & Mt. Sinai) (4:21-30)

C'  Justification by faith (5:1-12)

B'  Two Ways: The way of flesh and the way of the Spirit   (5:13-6:10)

A'  Concluding remarks (6:11-18)