What Is the Trinity — In Biblical Context
The Trinity is the doctrine that God exists as three persons — Father, Son, and Holy Spirit — in one divine being.
The Trinity is the doctrine that God exists as three persons — Father, Son, and Holy Spirit — in one divine being.
"Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost." — Matthew 28:19 (KJV)
The Biblical Context
The word 'Trinity' does not appear in the Bible, but the concept is woven throughout Scripture. At Jesus' baptism, all three persons are present: the Son is baptized, the Spirit descends like a dove, and the Father speaks from heaven (Matthew 3:16-17). Jesus commanded baptism 'in the name of the Father, and of the Son, and of the Holy Ghost' (Matthew 28:19) — one name, three persons. The doctrine holds that God is one in essence but three in person. Each person is fully God: the Father is God (1 Corinthians 8:6), the Son is God (John 1:1), and the Holy Spirit is God (Acts 5:3-4). Yet there are not three Gods but one (Deuteronomy 6:4). The three persons are distinct — the Father sends the Son, the Son sends the Spirit, and the Spirit glorifies the Son. This is not a contradiction but a mystery that reflects the infinite nature of God. The Trinity is essential to salvation: the Father plans it, the Son accomplishes it, and the Spirit applies it to believers' hearts.
Where It Sits in Scripture
The core passage for this question, Matthew 28:19, sits inside Matthew 28. To grasp the full meaning, read the surrounding paragraph — the verses before set up the thought, the verses after carry it forward.
"Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost."
Supporting Passages
"The grace of the Lord Jesus Christ, and the love of God, and the communion of the Holy Ghost, be with you all. Amen."
"And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him: And lo a voice from heaven, saying, This is my beloved Son, in whom I am well pleased."
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