This doctrine unites all true Christians and separates us from those who are not Christian. You may believe and still not be a Christian, but if you deny this doctrine in your heart, you are not a Christian at all.

I come now to the end of my sermon. In so doing I end where I began. The Trinity is a doctrine that all Christians believe but no one really understands. That much should be clear from this message. If you try to explain the Trinity, you will lose your mind. But if you deny it, you will lose your soul.

The Arithmetic of Heaven

Someone asked Daniel Webster, who happened to be a fervent Christian, "How can a man of your intellect believe in the Trinity?" "I do not pretend fully to understand the arithmetic of heaven now," he replied. That's a good phrase—the arithmetic of heaven.

The Trinity should cause us to bow in humble adoration before a God who is greater than our minds could ever comprehend.

Let us rejoice that we have a Triune God who has provided for a Trinitarian salvation. When we were lost in sin, our God acted in every Person of his being to save us. The Father gave the Son, the Son offered himself on the Cross, and the Holy Spirit brought us to Jesus. We were so lost that it took every member of the Godhead to save us.

In 1774 a man named Ignaz Franz wrote a hymn of praise to the Trinity: Holy God, We Praise Your Name. Verse three may serve as an apt conclusion to this message.

"Holy Father, Holy Son, Holy Spirit, Three we name you;

While in essence only one, undivided God we claim you.

Then, adoring, bend the knee, and confess the mystery."

Indeed it is a mystery, and with all the saints we bend the knee in worship before our great God—Father, Son, and Holy Spirit.

For more answers to questions about the Trinity and other topics, visit Jesus.org!

Dr. Ray Pritchard is the president of Keep Believing Ministries. He has ministered extensively overseas and is a frequent conference speaker and guest on Christian radio and television talk shows. He is the author of 27 books, including Credo, The Healing Power of Forgiveness, An Anchor for the Soul and Why Did This Happen to Me? Ray and Marlene, his wife of 35 years, have three sons - Josh, Mark and Nick. His hobbies include biking, surfing the Internet, and anything related to the Civil War.