Two strategic fronts for killing old sin in light of our new identity in Christ:

1. Concerning the "Frontline:" Ruthlessly mortify your old self (5-8)

   1. The command to mortify (5-6)

      1. Kill what is earthly (5a)

      2. Things that are earthly (5b)

      3. Why you must kill what is earthly (6)

   2. The contrast involved for believers in mortification (7-8)

      1. Believers' former lifestyle referenced (7)

      2. Believers' current mortification commanded (8)

2. Concerning the "Homefront:" Relentlessly recall your new self (9-11)

   1. An introductory command (9a)

   2. A tremendous reminder (9b-11)

      1. You stripped off the old self (9b)

      2. You put on the new self (10-11)