Paul, Silvanus, and Timothy, to the assembly of the Thessalonians in God the Father and the Lord Jesus Christ: Grace to you and peace from God our Father and the Lord Jesus Christ.
in God the Father; were interested in his love and free favour, as appears by their election of God, 1 Thessalonians 1:4, and they were in the faith of God the Father, as the Father of our Lord Jesus Christ, and in the profession of it, and so were distinguished from an assembly of Heathens that were in the faith of idols, and not of the one true and living God, and especially as the Father of Christ; they were in fellowship with God the Father, and they were drawn by the efficacy of his grace to himself and to his Son, and were gathered together and embodied in a church state under his direction and influence; he was the author of them as a church, and they were plants of Christ's heavenly Father's planting, not to be plucked up; and they were, as the Arabic version renders it, "addicted" to God the Father; they were devoted to his service; they had his word among them, which they had received not as the word of men, but as the word of God; and his ordinances were duly and faithfully administered among them, and attended on by them: