In part 4 pastor Grasso shows the two parts to the nature of sanctification: mortification and vivification in both definitive and progressive sanctification.
In part 3 pastor Grasso explains the difference between definitive and progressive sanctification, showing that definitive sanctification happens at conversion and progressive sanctification is something that increases over time.
In part 2 pastor Grasso explains the difference between outward and inward sanctification, showing that outward sanctification is a real and important category.
In part 1 on sanctification pastor Grasso explains that sanctification entails both being set apart for God and living a godly life.
Does the Bible teach that the believer can live a perfectly sinless life? Pastor Grasso answers in the negative, explaining that the language of perfection and blamelessness in the Bible does not mean one if free from all sin.