With our text, 1 Thes. 5:23-28, we conclude Paulâ€"s first letter to the Thessalonians. It is a fitting conclusion, rich in blessing â€" the gracious blessing of sanctification. Remember Paulâ€"s declaration in 1 Thes. 4:3a, “It is Godâ€"s will that you should be sanctified.â€� Letâ€"s consider again this blessing with respect to the … 1. Author of your & the churchâ€"s sanctification (1 Th 5:23a), 2. Goal … (1 Thes. 5:23b), 3. Perfecter … (1 Thes. 5:24), 4. Instruments … (1 Thes 5:25-27), and 5. Power of your & the churchâ€"s sanctification (1 Th. 5:28)