We say this creed every Sunday in the Eucharist service. It is the central creed or belief of Christianity and goes back to 325AD. On Trinity Sunday it is good to break it down into its essential meaning.
Walls of Nicea
“I believe in one God“
The Greek, Latin and proper English translations begin with “I” believe, because reciting the creed is an individual expression of belief.
“the Father Almighty “
God the Father is the first person, within the Godhead. The Father is the “origin” or “source” of the Trinity. From Him, came somehow the other two. God the Father is often called “God Unbegotten” in early Christian thought.
“Maker of heaven and earth, And of all things visible and invisible: “
Everything that is was created by God. Some early sects, the Gnostics and Marcionites, believed that God the Father created the spirit world, but that an “evil” god (called the demiurge) created the similarly evil material world.
Trinity Sunday