A scripture on God’s nature. God is revealed as eternal, God is revealed as the unique God, God even reveals a name: “I Am.”
God said to Moses: I am the eternal God. So tell them that the Lord, whose names is “I Am,” has sent you. This is my name forever, and it is the name that people must use from now on.” (Exodus 3:14-15 CEV)
From Article 1 of the Confession of Faith from a Mennonite Perspective:
We believe that God exists and is pleased with all who draw near by faith. We worship the one holy and loving God who is Father, Son, and Holy Spirit eternally. We believe that God has created all things visible and invisible, has brought salvation and new life to humanity through Jesus Christ, and continues to sustain the church and all things until the end of the age.