The first Sunday after Pentecost is called Trinity Sunday by many denominations. The 1826 hymn “Holy, Holy, Holy! Lord God Almighty!” describes the Trinity simply as “God in three persons.” The concept of God as three distinct persons — the Father, the Son and the Holy Spirit — is easy to state but more difficult to understand.
God — in any form or person — has the same nature and purpose. The Trinity reveals the complexity of our universe and takes us to a point where our faith is more important than our understanding. It is not surprising that God — who created everything — is beyond our comprehension. Without the doctrine of the Holy Trinity, Jesus would not be God the Son, and his death would have made him nothing but a martyr. Through the Trinity, we know Christ’s death was a divine sacrifice that atoned for our sins and that the arrival of the Holy Spirit will sustain us.
19 Go ye therefore, and teach all nations, baptizing them in the name of the Father, and of the Son, and of the Holy Ghost: