The Trinity

Season 1 Episode 7

Holy Trinity artwork representing one essence in three persons—Christian theological image for Reformed doctrine on the nature of God.

Special Guest: Cory Reckner

The Trinity: Christianity’s Most Defining Mystery

In this Theology Proper episode of The Restless Theologian, we look at a teaching that has shaped every corner of Christian belief — the Trinity. You won’t see the word in your Bible, but the truth is all over its pages: one God, three persons — Father, Son, and Holy Spirit. This isn’t some church-made formula; it’s the way God has shown Himself in the story of redemption.

One God in Three Persons

The Old Testament speaks over and over about the oneness of God. Yet when you read the Gospels, you start to notice something else. At Jesus’ baptism, in the Great Commission, in Paul’s closing blessings — Father, Son, and Spirit show up together. It’s not three gods. It’s not one person acting out three roles. It’s one divine nature, fully shared by three distinct persons.

How the Early Church Defended It

As the gospel spread, so did misunderstandings. Some claimed Jesus was a created being. Others thought the Father just appeared in different forms. The church had to respond. At Nicaea and other gatherings, leaders went back to the Scriptures and affirmed that the Son and the Spirit are every bit as eternal and divine as the Father. They weren’t trying to invent something new — they were clarifying what the Bible had already made clear.

Why It Still Matters

This isn’t a dry doctrine tucked away in theology books. The Trinity shapes how we pray, how we worship, and how we think about the gospel. The Father planned salvation. The Son carried it out. The Spirit brings it home to our hearts. One God, three persons — working in perfect unity.

Leave the Analogies Behind

People often try to explain the Trinity with simple comparisons — water, clovers, an egg. But those fall short and can even lead to wrong ideas. God isn’t like anything else we can point to, and that’s part of why He’s worthy of our worship.

If you enjoyed this, you might also like our Keys of the Kingdom episode in the Ecclesiology series, where we take on questions of church authority and how the early church understood them.