“I baptize you in the name of the Father, and of the Son and of the Holy Spirit.”

Most of us have had those words spoken to us as water was sprinkled on our heads or our bodies were plunged into some pool. If water is a sign of God’s grace, then the Trinity is a mystery of God’s nature.

This is Trinity Sunday. Sunday after Sunday we sing about the Trinity, pray to the Trinity, and hear great thanksgivings expressed to the Trinity, but who of us understands this uniquely Christian expression of faith? I’m sure in the next few minutes I can make all that perfectly clear.

I. We Believe In One God

Our Jewish friends rise in the morning and say “Hear, O Israel, the Lord is our God, the Lord is one.” We Christians say “Amen.”

Our Muslim friends face Mecca five times a day and say “God is on…