“To the end hee may stablish your hearts vnblameable in holinesse before God euen our Father, at the comming of our Lord Iesus Christ with all his Saints.”
1611 King James Version (KJV)
3:13 With all his, Christ's, saints - Both angels and men.
1Th 3:13 To the end he may stablish your hearts. Love shed abroad in their hearts would have this effect, and fit them for every duty and trial. He that loveth supremely fulfill the whole law.