Faithful is he that calleth you - That is, your sanctification after all depends on him, and as he has begun a work of grace in your hearts, you may depend on his faithfulness to complete it; see the 1 Thessalonians 4:3 note; Philippians 1:6 note; 1 Corinthians 1:9 note.
Related Commentaries of 1 Thessalonians 5:24
1 Thessalonians 5:24
24 Faithful is he that calleth you, who also will do it.