Unity and Trinity (Notes for SGL teaching 9/9/17)

   Unity and Trinity


 1.   What does it mean that God is one God?
The many gods of some other religions are limited in their power and domain. They are like humans in their characters and failures and motivations.
We worship a unique, transcendent, sovereign God.
Our God is the Holy One – completely separate, yet approachable through revelation.
(Is 45:21–22; see also Is 44:6–8; Ex 15:11; Deut 4:35; 6:4–5; 32:39; 1 Sa2:2; 1 Ki 8:60).

    2.   What does it mean that God is a Trinity?
God is three in person (There are relationships within the Trinity)
God is one in essence. (God’s ‘being’ is not divided into three parts, no one Person has attributes not possessed by the other two)
Each person is fully God. (The being of each person is equal to the whole being of God). “When we speak of the Father, Son, and Holy Spirit together we are not speaking of any greater being than when we speak of the Father alone, the Son alone, or the Holy Spirit alone” (Grudem)

God is not one person who takes on three different roles at different times (Modalism/Sabellianism)
God is not three Gods (Tritheism)
God is not one by denying that the Son and Spirit are less than divine. (Arianism) or one in that the Persons of the Trinity are unequal in divine being and glory (Subordinationism)

The Persons of the Trinity have different primary functions.("the 'economic' Trinity)

  3.   How do we know that God is a Trinity?
The OT hints at it (Ge 1:26, 3:22, 11:7, Is 6:8, Ps 45:5-7/Heb 1:8, Ps 110:1/Mt 22:41-46, Ho 1:7, Is 48:16).
There are references to the “Angel of the Lord”, an entity distinct from and yet identified with the LORD.
There are references to the Holy Spirit (Is 63:10)
The NT more fully expresses the Trinity (Mt 28;19, Ro 8:11, Eph 1:17. 2:18, 1 Cor 12:4-6, 2 Cor 13:14, 1 Pe 1:2, Heb 9:14, Jude 20-21)

Christ is God (Jn 1:1:1-5, 20:28, Mk 2;7, 28)

The Spirit is God (Mt 12:32, Heb 9:14, Ro 15:18-19, Jn 10:30 14:26, Ac 5:4)
The Spirit is the “Spirit of Christ” (Ro 8:9), He speaks (Heb 3:7), reasons (Acts 15:28), thinks and understands (1 Cor 2:10–11), wills (1 Cor 12:11), feels (Ephs 4:30), and gives personal fellowship (2 Cor 13:14). These are all qualities of personhood, not of a ‘force’.
The Spirit can be thought of as the love between the Father and the Son (c.f. Jn 17:23-26, 1 Jn 1:4).


    4.   Why does it matter that God is a Trinity?
The Trinity implies relationship. If there was no relationship, creation would have preceded love. But love precedes creation.

The Trinity shows how authority and submission are not equated with superiority and inferiority (1 Co 11:3)

The Trinity models unity in diversity in the Church 1 Co 12;12)

https://www.monergism.com/blog/how-do-we-relate-father-son-and-holy-spirit
1. The Son is the Father’s image; the Spirit is the bond of love between them (Consequently, in every external work of the Godhead the Father is the source, the Son is the mediator, and the Spirit is the consummator. Creation exists from the Father, in the Son, by the power of the Spirit; in the new creation Christ is the head while the Spirit is the one who unites the members to him and renews them according to Christ’s image to the glory of the Father.
2. Or we can say that the Father works for us, the Son works among us, and the Spirit works within us.
3. God’s works, both of creation and new creation, are typically described in Scripture as performed through speech, so we may also say it this way: Just as the Son is the Word of the Father and the Father (or the Father and the Son) breathes out the Spirit, all of the Father’s speech in the Son brings about its intended effect because of the perfecting agency of the Spirit. We hear the voice of the Father, but we behold God himself in the face of Christ. Jesus could even tell Philip, “Anyone who has seen me has seen the Father” (John 14:9). “I and the Father are one” (John 10:30). But the Spirit is the one who brings about this recognition within us, as Jesus goes on to point out so clearly in the following verses (vv. 15–27). The Trinitarian reference is implied in 2 Corinthians 4:6: “For God [the Father], who said, ‘Let light shine out of darkness,’ has shone in our hearts [by the Spirit] to give the light of the knowledge of the glory of God in the face of Jesus Christ.”
4. In the covenant of grace, the Father is the promise maker (Heb 6:13), the Son is the promise (2 Cor 1:20), and the Spirit brings about within us the “amen!” of faith (1 Cor 12:13).
5. Athanasius observed that “while the Father is fountain, and the Son is called river, we are said to drink of the Spirit.”

So... should we pray to Jesus, the Spirit, or only to the Father? (Eph 2:18, Jn 14:14, Rev 22:20. 1 Cor 16:22.)

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