The doctrines of justification and sanctification are both necessary components of the Christian faith. There is no such thing as a justified but unsanctified sinner and no such thing as a sanctified but unjustified sinner. Both are essential.
There is, however, a tendency in the church to confuse the doctrines, to combine the doctrines, and to fail to recognize the distinction between the two. Justification is concerned with Christ’s work for the sinner as the ground of acceptance with our holy God. Sanctification is the work of the Spirit in the justified sinner whereby he is conformed more and more into the image of the Lord Jesus. Click to read more about “A Necessary Distinction”