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The Trinity is the Christian doctrine that God exists as three distinct persons—Father, Son, and Holy Spirit—who are one God in essence. Each person is fully God, yet there is only one God. This mystery is revealed throughout Scripture, from creation to Christ's baptism.
Why this answer? It starts with Matthew 28:19, then cross-checks 2 Corinthians 13:14 and John 1:1-3 so the summary stays anchored in Scripture.
This answer explains the Trinity according to the Bible by connecting one God, three persons, the Father, Son, and Holy Spirit, and key passages like Matthew 28:19.
The Trinity in the Bible teaches that one God exists eternally as three persons—Father, Son, and Holy Spirit. While the word 'trinity' does not appear in Scripture, the trinity doctrine emerges clearly from passages like Matthew 28:19 where Jesus commands baptism in the name of the Father, Son, and Holy Spirit. The Godhead is described in Colossians 2:9 as the fullness of deity dwelling bodily in Christ. The Nicene Creed (325 AD) formalized the church's understanding: the triune God is three in one, each person coequal and coeternal. The Father creates, the Son redeems, and the Holy Spirit sanctifies, yet they share one divine nature. This is not three gods (tritheism) but one God in three persons—a mystery that transcends human comprehension yet is foundational to Christian worship.
“Go therefore and make disciples of all nations, baptizing them in the name of the Father and of the Son and of the Holy Spirit.”
- Matthew 28:19
Jesus Christ is the Son of God, the second person of the Trinity, who became human to save humanity from sin. Christians believe He is fully God and fully man, born of the Virgin Mary, who died on the cross for our sins and rose again on the third day.
The Holy Spirit is the third person of the Trinity—fully God, distinct from the Father and Son. He convicts of sin, regenerates believers, indwells Christians, and empowers them for service. The Spirit guides into truth, produces spiritual fruit, and distributes spiritual gifts.
Yes, Jesus is God. Scripture clearly teaches that Jesus is divine—the second person of the Trinity. John 1:1 declares 'the Word was God.' Jesus accepted worship, forgave sins, and claimed equality with the Father. Thomas called Him 'My Lord and my God' (John 20:28).
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Answers are informed by Scripture and trusted theologians including Matthew Henry, John Calvin, and John Wesley. Always verify with Scripture and consult your local church for pastoral guidance.