Holy Spirit's Role in Trinitarian Knowledge
The Holy Spirit reveals the Father and the Son to believers, a role grounded in Jesus' promise that "the Spirit searcheth all things, even the deep things of God" (1 Corinthians 2:10) [2]. This revelatory function establishes the Spirit not as a subordinate messenger but as the divine agent through whom Trinitarian knowledge becomes accessible to human understanding.
The Spirit as Divine Revealer
Scripture assigns to the Holy Spirit the work of unveiling what would otherwise remain hidden. Origen notes that just as the Son reveals the Father—"no man knoweth the Father but the Son, and he to whom the Son will reveal Him"—so "God hath revealed them to us by His Holy Spirit" [2]. The Spirit's capacity to search "the deep things of God" indicates His participation in the divine nature itself; only one who shares God's essence could disclose God's inner life [2]. This establishes the Spirit's personality and divinity: He possesses intelligence and volition, reproves, helps, and intercedes—offices that "involve personal distinction" [1].
Consubstantial Communion
Augustine describes the Holy Spirit as "a certain unutterable communion of the Father and the Son," bearing a name suitable to both since "the Father is a spirit and the Son a spirit, both the Father is holy and the Son holy" [3]. The Spirit is "not of a nature inferior to the Father and the Son, but, so to say, consubstantial and co-eternal: for this Trinity is one God" [4]. This consubstantiality means the Spirit does not stand outside the Godhead looking in; He is the bond of love through whom "the Begotten is loved by the Begetter, and loves Him that begat Him" [9]. Augustine suggests the Spirit may be understood as "that absolute love which joins together Father and Son, and joins us also from beneath" [5].
Temporal Manifestation and Eternal Procession
The Spirit's temporal appearances—as a dove at Jesus' baptism or as tongues of fire at Pentecost—manifested His substance "co-eternal with the Father and the Son, and alike with them unchangeable" through "the subjected and subservient creature" [6]. Yet His procession from the Father and the Son "is apart from time," with no interval suggesting sequence [7]. Scripture calls Him "the Spirit of both" [7], and He is given as gift precisely because He is God Himself: "the gift of the Holy Spirit is nothing else but the Holy Spirit" [8].
Sources
- Easton's Bible Dictionary “Easton's Bible Dictionary: Holy Ghost — The third Person of the adorable Trinity. His personality is proved (1) from the fact that the attributes of personality, as intelligence and volition, are ascribed to him (John 14:17, 26; 15:26; 1 Cor. 2:10, 11; 12:11). He reproves, helps, glorifies, intercedes (John 16:7-13; Rom. 8:26). (2) He executes the offices peculiar only to a person. The very nature of these offices involves personal distinction (Luke 12:12; Acts 5:32; 15:28; 16:6; 28:25; 1 Cor. 2:13; Heb. 2:4; 3:7; 2 Pet. 1:21). His divinity is established (1) from the fact that the names of Go”
- Schaff ANF/NPNF (Patristic) “ANF Vol 4: Tertullian IV, Minucius Felix, Commodian, Origen — CHAP. III.--ON THE HOLY SPIRIT. (part 4): the Son, and he to whom the Son will reveal Him,"(5) the same also is said by the apostle of the Holy Spirit, when He declares, "God hath revealed them to us by His Holy Spirit; for the Spirit searcheth all things, even the deep things of God;"(6) and again in the Gospel, when the Saviour, speaking of the divine and profounder parts of His teaching, which His disciples were not yet able to receive, thus addresses them: "I have yet many things to say unto you, but ye cannot bear them now; but”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 11.--WHAT IS SAID RELATIVELY IN THE (part 2): both cases relatively in reciprocal reference. Therefore the Holy Spirit is a certain unutterable communion of the Father and the Son; and on that account, perhaps, He is so called, because the same name is suitable to both the Father and the Son. For He Himself is called specially that which they are called in common; because both the Father is a spirit and the Son a spirit, both the Father is holy and the Son holy.(6) In order, therefore, that the communion of both may be signified from a name ”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 9.--OF THE HOLY SPIRIT AND THE (part 1): MYSTERY OF THE TRINITY. 16. The divine generation, therefore, of our Lord, and his human dispensation, having both been thus systematically disposed and commended to faith,(8) there is added to our Confession, with a view to the perfecting of the faith which we have regarding God, [the doctrine of] THE HOLY SPIRIT, who is not of a nature inferior(9) to the Father and the Son, but, so to say, consubstantial and co-eternal: for this Trinity is one God, not to the effect that the Father is the same [Pers”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 3.--WHY THE SON CHIEFLY IS INTIMATED IN THE SCRIPTURES BY THE NAME OF WISDOM, WHILE BOTH THE FATHER AND THE HOLY SPIRIT ARE WISDOM. THAT THE HOLY SPIRIT, TOGETHER WITH THE FATHER AND THE SON, IS (part 4): also, whether we are to call Him that absolute love which joins together Father and Son, and joins us also from beneath, that so that is not unfitly said which is written, "God is love;"(12) how is He not also Himself wisdom, since He is light, because "God is light" ? or whether after any other way the essence of the Holy Spirit is to be s”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 21.--OF THE SENSIBLE SHOWING OF THE HOLY SPIRIT, AND OF THE COETERNITY OF THE TRINITY. WHAT HAS BEEN SAID, AND WHAT REMAINS TO BE SAID. (part 1): But with respect to the sensible showing of the Holy Spirit, whether by the shape of a dove,(8) or by fiery tongues,(9) when the subjected and subservient creature by temporal motions and forms manifested His substance co-eternal with the Father and the Son, and alike with them unchangeable, while it was not united so as to be one person with Him, as the flesh was which the Word was made;(10) I do ”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 26.--THE HOLY SPIRIT TWICE GIVEN BY CHRIST. THE PROCESSION OF THE HOLY SPIRIT FROM THE FATHER AND FROM THE SON IS APART FROM TIME, NOR CAN HE BE CALLED THE SON OF BOTH. (part 1): Further, in that Highest Trinity which is 224 God, there are no intervals of time, by which it could be shown, or at least inquired, whether the Son was born of the Father first and then afterwards the Holy Spirit proceeded from both; since Holy Scripture calls Him the Spirit of both. For it is He of whom the apostle says, "But because ye are sons, God hath sent for”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 19.--THE HOLY SPIRIT IS CALLED THE GIFT OF GOD IN THE SCRIPTURES. BY ThE GIFT OF THE HOLY SPIRIT IS MEANT THE GIFT WHICH IS THE HOLY SPIRIT. THE HOLY SPIRIT IS SPECIALLY CALLED LOVE, ALTHOUGH NO (part 5): the Holy Spirit," they should recognize therein that mode of speech which is found in the words, "In the spoiling of the body of the flesh."(5) For as the body of the flesh is nothing else but the flesh, so the gift of the Holy Spirit is nothing else but the Holy Spirit. He is then the gift of God, so far as He is given to those to whom He ”
- Schaff ANF/NPNF (Patristic) “NPNF1 Vol 3: Augustine — On the Holy Trinity — CHAP. 5.--THE HOLY SPIRIT ALSO IS EQUAL TO THE FATHER AND THE SON IN ALL THINGS. (part 1): 7. Wherefore also the Holy Spirit consists in the same unity of substance, and in the same equality. For whether He is the unity of both, or the holiness, or the love, or therefore the unity because the love, and therefore the love because the holiness, it is manifest that He is not one of the two, through whom the two are joined, through whom the Begotten is loved by the Begetter, and loves Him that begat Him, and through whom, not by participation, but by ”