God has existed in relationship with Himself for all eternity. He exists as one substance in three persons: the Father, the Son, and the Holy Spirit. Although each member of the Trinity serves different functions, they each possess equal power and authority.
(Deuteronomy 6:4; Isaiah 61:1; Matthew 28:19; Mark 1:9-11; Luke 1:35; John 5:21-23; 14:10, 16; Romans 8:9-11; 1 Corinthians 8:6; 2 Corinthians 13:14; Hebrews 1:8-10; James 2:19)