Ephesians 2:20-22, Nicene Creed which many Churches use as well.
“Ephesians 2:20-22, Nicene Creed which many Churches use as well.”
Might as well be asked to defend the Trinity which most Protestants but not all believe in. It’s all in the Bible and early Church documents, some Protestants accept.
John 1:1 says: In the beginning was the Word, and the Word was with God, and the Word was God. 2 He was in the beginning with God.
But you say Christ didn't come to start a book.
Then the very book you claim he didn't come to start, you claim as the authority by which the church was founded?