Understanding the Trinity

Three beeswax candles with warm golden flames on a wooden table in a medieval European sanctuary

Understanding the Trinity

One God — Three Persons: Father, Son, and Holy Spirit

What Is the Trinity?

The Trinity is one of the most important truths in all of Scripture. It teaches that there is one God who exists eternally as three distinct Persons — the Father, the Son, and the Holy Spirit. Each Person is fully God, yet there are not three Gods but one. This is not a contradiction; it is a mystery revealed by God in His Word.

What Does the Bible Say?

The Bible is clear that there is only one God. Deuteronomy 6:4 says, “Hear, O Israel: The LORD our God, the LORD is one.” Yet Scripture also reveals that the Father is God, the Son is God, and the Holy Spirit is God — and that these three are distinct Persons who relate to one another.

Matthew 28:19 — “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.”

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

John 1:1 — “In the beginning was the Word, and the Word was with God, and the Word was God.”

Notice that in Matthew 28:19, Jesus says “in the name” — singular — not “names.” One name, yet three Persons: Father, Son, and Holy Spirit. This points to their unity as one God.

The Father, the Son, and the Holy Spirit

The Father is God (1 Corinthians 8:6). He is the one who sent the Son into the world and who sends the Holy Spirit. The Son, Jesus Christ, is God in the flesh (John 1:14, Colossians 2:9). He came to save sinners by dying on the cross and rising from the dead. The Holy Spirit is God (Acts 5:3–4). He convicts of sin, regenerates believers, and dwells within every Christian.

All three Persons work together in perfect unity. In the work of salvation, for example, the Father plans it, the Son accomplishes it, and the Holy Spirit applies it to our hearts.

Why Does the Trinity Matter?

The Trinity matters because it is who God is. To reject the Trinity is to worship a different god than the God of the Bible. Every major Christian doctrine — creation, salvation, prayer, the church — flows from the truth that God is triune. When you pray, you pray to the Father, through the Son, by the power of the Holy Spirit. The gospel itself is Trinitarian.

“Any doctrine, which hath not the Father, Son, and Holy Ghost, as equal persons in one undivided essence, we cast aside as being unsound, for we are sure that such doctrines must be derogatory to God’s glory; and if they be so it is enough for us.” — Charles H. Spurgeon

Can We Fully Understand It?

No — and that is okay. God is infinite, and we are finite. We should not expect to fit an infinite God into our limited understanding. But we can believe it because God has revealed it in His Word. The Trinity is not against reason; it is above reason. We accept it by faith, trusting that what God has spoken about Himself is true.

Isaiah 55:8–9 — “For my thoughts are not your thoughts, neither are your ways my ways, declares the LORD. For as the heavens are higher than the earth, so are my ways higher than your ways and my thoughts than your thoughts.”

As believers, we are called to know God as He has revealed Himself in Scripture — Father, Son, and Holy Spirit. We hold firmly to what God has clearly spoken, and the Bible gives us everything we need to know Him truly, worship Him rightly, and live for His glory.

Here is what is beautiful about walking with God: the more we seek Him, the more He meets us. The more He meets us, the more He reveals Himself to us. And over time, the deeper mysteries of who God is — including the Trinity — become less distant and more real. Not because we have figured God out, but because He has drawn us closer to Himself. That is the kind of God we serve.