Genesis 28:20

²⁰ And he made a vow, saying: If God shall be with me, and shall keep me in the way by which I walk, and shall give me bread to eat, and raiment to put on,

City of God

In Psalm 46:4, this signifies the church as to its doctrines. (Apocalypse Explained 518[26])

⁴ And God said to him: I AM, and my covenant is with thee, and thou shalt be a father. of many nations.