In pursuing obedience, Paul urges the Philippians to “work out your salvation” (Philippians 2:12b). They are commanded to put effort into achieving their salvation. In the Bible, “salvation” is represented in three different ways: as past, present, and future. These three designations involve justification, sanctification, and glorification. In justification, believers are saved immediately from the penalty of sin. In sanctification, they are saved progressively from the power