Table of Contents
The phrase one God in three persons is at the heart of what the Bible teaches about God. It may sound confusing at first, but this truth helps us understand who God is and how He relates to us. If you have ever asked for a simple explanation of the Trinity, you are not alone.
The Bible teaches that there is only one God. At the same time, it shows that the Father, the Son (Jesus), and the Holy Spirit are each fully God. This is what we mean by one God in three persons. It does not mean three gods. It means one God who exists in three distinct persons.
What Does One God in Three Persons Mean?
To understand one God in three persons, we need to look at two truths the Bible clearly teaches:
- There is only one God
- The Father, Son, and Holy Spirit are each God
"Hear, O Israel: The Lord our God, the Lord is one."
— Deuteronomy 6:4 (ESV)
"In the beginning was the Word, and the Word was with God, and the Word was God."
— John 1:1 (WEB)
"But Peter said, ‘Ananias, why has Satan filled your heart to lie to the Holy Spirit…? You haven’t lied to men, but to God.’"
— Acts 5:3–4 (WEB)
These verses show that God is one, yet the Father, Son, and Holy Spirit are each called God.
Simple definition:
| Truth | Explanation |
|---|---|
| One God | There is only one true God |
| Three Persons | Father, Son, and Holy Spirit |
| Fully God | Each person is completely God |
| Distinct | They are not the same person |
This is a basic Trinity meaning simple enough to begin understanding.
The Father, Son, and Holy Spirit Are Distinct
The Bible shows that the Father, Son, and Holy Spirit are not the same person. They relate to each other.
"After being baptized, Jesus went up directly from the water: and behold, the heavens were opened to him. He saw the Spirit of God descending like a dove and coming on him. Behold, a voice out of the heavens said, ‘This is my beloved Son, with whom I am well pleased.’"
— Matthew 3:16–17 (WEB)
In this moment:
- The Son is baptized
- The Spirit descends
- The Father speaks
All three are present at the same time.
What this means:
- The Father is not the Son
- The Son is not the Spirit
- The Spirit is not the Father
Yet they are all one God.
Each Person Is Fully God
The Bible clearly teaches that each person of the Trinity is fully God.
The Father is God
"Grace to you and peace from God our Father and the Lord Jesus Christ."
— Romans 1:7 (WEB)
The Son is God
"For in him all the fullness of the Godhead dwells bodily."
— Colossians 2:9 (WEB)
The Holy Spirit is God
"Now the Lord is the Spirit."
— 2 Corinthians 3:17 (WEB)
This is why the idea of three persons one God Bible teaches is so important. Each person shares the same divine nature.
What the Trinity Is Not
To understand the Trinity, it helps to know what it is not.
Common misunderstandings:
- Three gods → The Bible teaches one God, not three
- One person with three roles → The Father, Son, and Spirit are distinct
- Parts of God → Each person is fully God, not a part
"I am the Lord, and there is no other,
besides me there is no God;"
— Isaiah 45:5 (ESV)
Comparison table:
| Wrong Idea | Why It’s Wrong |
|---|---|
| Three separate gods | Contradicts one God |
| One person switching roles | Ignores distinct persons |
| God divided into parts | Denies full deity of each person |
Understanding these errors helps protect a true understanding the Trinity.
Why This Teaching Matters
The truth of one God in three persons is not just a hard idea. It affects how we understand salvation, prayer, and God’s love.
In salvation:
"For through him we both have our access in one Spirit to the Father."
— Ephesians 2:18 (WEB)
- The Father sends
- The Son saves
- The Spirit applies salvation
In prayer:
"Praying at all times in the Spirit… to God."
— Ephesians 6:18 (WEB)
We pray to the Father, through the Son, by the Spirit.
In love:
"God is love."
— 1 John 4:8 (WEB)
God has always existed in a relationship of love within Himself.
How to Understand the Trinity Simply
Many people want a what is the Trinity explanation that is simple. While no example is perfect, here are a few helpful ideas:
Helpful ways to think about it:
- One “what” (God), three “who” (persons)
- One being, three persons
- Unity without confusion
But be careful:
No human example fully explains God. The Trinity is not like:
- Water (ice, liquid, gas)
- A person with different roles
- Parts of something
These examples can mislead if taken too far.
Living in Light of One God in Three Persons
Understanding one God in three persons should change how we live.
Practical ways it affects life:
- You relate to a personal God
- You see how God works in your life
- You grow in worship and trust
Real-life example
When you pray:
- You pray to the Father
- You trust the work of Jesus
- You depend on the Spirit
This makes your relationship with God richer and clearer.
Growing in Your Understanding
You do not need to understand everything at once. The Trinity is deep, and growth takes time.
"Oh the depth of the riches both of the wisdom and the knowledge of God!"
— Romans 11:33 (WEB)
Ways to grow:
- Read Scripture regularly
- Study passages about the Father, Son, and Spirit
- Ask questions and keep learning
- Focus on what the Bible clearly teaches
Understanding grows step by step.
Final Thought
The truth of one God in three persons helps us see the fullness of who God is. He is one, yet He reveals Himself as Father, Son, and Holy Spirit.
This is not a contradiction. It is a deeper truth that shows God’s greatness. As you grow in understanding the Trinity, you will also grow in knowing God personally.
FAQs
What does “one God in three persons” mean in simple terms?
The phrase means there is only one God, but He exists as three distinct persons: the Father, the Son, and the Holy Spirit. Each person is fully God, yet there is only one God.
"Hear, Israel: Yahweh is our God. Yahweh is one."
— Deuteronomy 6:4 (WEB)
"In the beginning was the Word, and the Word was with God, and the Word was God."
— John 1:1 (WEB)
Where do we see the Father, Son, and Holy Spirit together in the Bible?
The Bible shows all three persons clearly, sometimes in the same moment.
"After being baptized, Jesus went up directly from the water: and behold, the heavens were opened to him. He saw the Spirit of God descending like a dove and coming on him. Behold, a voice out of the heavens said, ‘This is my beloved Son, with whom I am well pleased.’"
— Matthew 3:16–17 (WEB)
This passage shows the Father speaking, the Son being baptized, and the Spirit descending—all at once.
Are the Father, Son, and Holy Spirit equal?
Yes, each person of the Trinity is fully God and equal in nature, even though they have different roles.
"For in him all the fullness of the Godhead dwells bodily."
— Colossians 2:9 (WEB)
"Now the Lord is the Spirit."
— 2 Corinthians 3:17 (WEB)
This means no person is greater or lesser in being.
Is the Trinity three gods or one God?
The Bible is clear that there is only one God, not three.
"I am Yahweh, and there is no one else. Besides me, there is no God."
— Isaiah 45:5 (WEB)
At the same time, the Father, Son, and Spirit are each fully God. This is why we say one God in three persons.
Why is understanding the Trinity important?
The Trinity helps us understand how God works in salvation and how we relate to Him.
"For through him we both have our access in one Spirit to the Father."
— Ephesians 2:18 (WEB)
It shows:
- The Father sends
- The Son saves
- The Spirit applies salvation
Without this truth, the gospel would not be fully clear.
How does one God in three persons connect to salvation?
The truth of one God in three persons shows how God rescues us. The Father planned salvation, the Son accomplished it, and the Spirit applies it to our lives.
"For all have sinned, and fall short of the glory of God."
— Romans 3:23 (WEB)
"For God so loved the world, that he gave his one and only Son, that whoever believes in him should not perish, but have eternal life."
— John 3:16 (WEB)
Because of sin, we are separated from God. But through Jesus, we are brought back into a relationship with the Father, and the Spirit gives us new life. Understanding one God in three persons helps us see how God works together to save us and draw us close to Him.
