The Trinity's Work in the Lives of Believers
The Nicene Creed confesses belief "in the Holy Spirit, the Lord and Giver of life" [6], establishing the Spirit's role alongside the Father and Son in the economy of salvation. Scripture presents the three Persons working in concert in the life of the believer, though traditions have articulated this cooperation differently.
Biblical Foundation
Paul's benediction in 2 Corinthians 13:14 names all three Persons in their distinct operations: "The grace of the Lord Jesus Christ, and the love of God, and the communion of the Holy Spirit" [7]. The order varies across Scripture, demonstrating that "in this Trinity none is afore or after other," as the Athanasian Creed states [7]. The Father's love initiates salvation, Christ's grace mediates it, and the Spirit's fellowship applies it—yet these are not sequential stages but concurrent aspects of one divine work.
The Spirit's Illuminating Work
Reformed theology emphasizes the Spirit's role in enabling believers to perceive spiritual realities. Charles Hodge describes how "the Spirit enables him to see the glory of God as revealed in his works and in his word; the holiness and spirituality of the law; the exceeding sinfulness of sin" [8]. This illumination addresses what Scripture calls spiritual blindness, "the effect of sin" that leaves the natural person unable to receive "the things of the Spirit of God" [2]. The Spirit does not add new revelation but opens eyes to what is already disclosed in Christ and Scripture.
Faith as Divine Gift
Augustine argues that faith itself originates not in human will but in divine grace: "lest men should arrogate to themselves the merit of their own faith at least, not understanding that this too is the gift of God" [5]. He cites Ephesians 2:8–9, where Paul insists salvation is "the gift of God: not of works, lest any man should boast" [5]. This does not eliminate human response but locates its source in the Spirit's prior work, a position shared across Augustinian traditions—Reformed, Lutheran, and Catholic—though they differ on the mechanics of grace and will.
Sanctification and Endurance
The proving of faith "works endurance" [1], a process in which believers are conformed to Christ through the Spirit's agency. Early Christian writers like Ignatius urged believers to be "imitators of God" [4], a theme Paul echoes when he calls the Corinthians to imitate him as he imitates Christ [3]. The Spirit sustains this transformation, raising the soul "above the world" so that it "lives in a higher sphere" and "becomes more and more heavenly in its character" [8].
Sources
- James “James 1:3 (Darby) — knowing that the proving of your faith works endurance.”
- Torrey's Topical Textbook “Torrey's Topical Textbook: Blindness, Spiritual — Explained -- Joh 1:5; 1Co 2:14. The effect of sin -- Isa 29:10; Mt 6:23; Joh 3:19,20. Unbelief, the effect of -- Ro 11:8; 2Co 4:3,4. Uncharitableness, a proof of -- 1Jo 2:9,11. A work of the devil -- 2Co 4:4. Leads to all evil -- Eph 4:17-19. Is consistent with communion with God -- 1Jo 1:6,7. Of ministers, fatal to themselves and to the people -- Mt 15:14. The wicked are in -- Ps 82:5; Jer 5:21. The self-righteous are in -- Mt 23:19,26; Re 3:17. The wicked wilfully guilty of -- Isa 26:11; Ro 1:19-21. Judicially inflicted -- Ps 69:23; Isa 29:10”
- 1 Corinthians (Protestant academic) “Tyndale House on 1 Corinthians 11:1: 11:1 imitate me: Cp. 4:16; Phil 3:17.”
- Schaff ANF/NPNF (Patristic) “ANF Vol 1: Clement, Polycarp, Ignatius, Barnabas, Papias, Justin Martyr, Irenaeus — CHAP. I.: INASMUCH as your name. which is greatly beloved, is acceptable to me in God, [your name] which ye have acquired by nature, through a right and just will, and also by the faith and love of Jesus Christ our Saviour, and ye are imitators of God, and are fervent in the blood of God, and have speedily completed a work congenial to you · [for] when ye heard that I was bound,(3) so as to be able to do nothing for the sake of the common name and hope (and I hope, through your prayers, that I may be devoured b”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 31.--FAITH ITSELF IS THE GIFT OF GOD; AND GOOD WORKS WILL NOT BE WANTING IN THOSE WHO BELIEVE.: And lest men should arrogate to themselves the merit of their own faith at least, not understanding that this too is the gift of God, this same apostle, who says in another place that he had "obtained mercy of the Lord to be faithful,"(7) here also adds: "and that not 248 of yourselves; it is the gift of God: not of works, lest any man should boast."(1) And test it should be thought that good works will be wanting in those who believe, he adds fur”
- Nicene Creed (Ecumenical) “Nicene Creed (Ecumenical, 325/381 AD), Section 2: And in one Lord Jesus Christ, the only-begotten Son of God, begotten of the Father before all worlds; God of God, Light of Light, very God of very God; begotten, not made, being of one substance with the Father, by whom all things were made. Who, for us men and for our salvation, came down from heaven, and was incarnate by the Holy Spirit of the virgin Mary, and was made man; and was crucified also for us under Pontius Pilate; He suffered and was buried; and the third day He rose again, according to the Scriptures; and ascended into heaven, and”
- 2 Corinthians (Presbyterian) “Jamieson, Fausset & Brown on 2 Corinthians 13:14: The benediction which proves the doctrine of the Divine Trinity in unity. "The grace of Christ" comes first, for it is only by it we come to "the love of God" the Father (Joh 14:6). The variety in the order of Persons proves that "in this Trinity none is afore or after other" [Athanasian Creed]. communion--joint fellowship, or participation, in the same Holy Ghost, which joins in one catholic Church, His temple, both Jews and Gentiles. Whoever has "the fellowship of the Holy Ghost," has also "the grace of our Lord Jesus Christ," and "the love”
- CCEL (Reformed (Old Princeton)) “Charles Hodge, Systematic Theology, Vol. 3, section 32: the opened eye of the believer is able to discern. The Spirit enables him to see the glory of God as revealed in his works and in his word; the holiness 230 and spirituality of the law; the exceeding sinfulness of sin; his own guilt, pollution, and helplessness; the length and breadth, the height and depth of the economy of redemption; and the reality glory, and infinite importance of the things unseen and eternal. The soul is thus raised above the world. It lives in a higher sphere. It becomes more and more heavenly in its character and ”