What is the Trinity?

One God, Three Persons

The doctrine of the Trinity teaches that there is one God who exists eternally in three distinct persons: Father, Son, and Holy Spirit. These three are co-equal, co-eternal, and share the same divine nature — yet they are genuinely distinct from one another. This is not three gods (tritheism), nor one God wearing three masks (modalism), but one God in three persons.

Is the Word "Trinity" in the Bible?

The word "Trinity" doesn't appear in Scripture, but the concept is clearly present throughout. The doctrine is the church's way of summarizing what the Bible teaches about the nature of God. Just as the word "Bible" isn't in the Bible, the term "Trinity" is a theological shorthand for a biblical reality.

Biblical Evidence

Several passages point to the three persons of God acting distinctly while being one in essence:

• At Jesus' baptism, the Son is baptized, the Spirit descends like a dove, and the Father speaks from heaven (Matthew 3:16–17)
• Jesus commands baptism "in the name of the Father and of the Son and of the Holy Spirit" — one name, three persons (Matthew 28:19)
• The Old Testament uses a plural form of God ("Elohim") and includes passages like Genesis 1:26: "Let us make mankind in our image"
• Jesus distinguishes himself from the Father (John 14:28) yet claims equality with him (John 10:30)

Why Does It Matter?

The Trinity isn't just a theological puzzle — it has profound implications. It means God is inherently relational: love exists within God himself, not just as something God does toward creation. It grounds the Christian understanding of the incarnation (the Son became flesh, not the Father). And it shapes how we pray (to the Father, through the Son, in the Spirit).

"The grace of the Lord Jesus Christ and the love of God and the fellowship of the Holy Spirit be with you all." — 2 Corinthians 13:14

Common Misunderstandings

Modalism — the idea that Father, Son, and Spirit are just different modes or roles of one person (like water, ice, and steam). This is rejected because Scripture shows all three acting simultaneously and distinctly.

Arianism — the idea that the Son is a created, lesser being. This is rejected because the Bible clearly attributes full divinity to Christ (John 1:1; Colossians 2:9).