We Have a City: the Valley of Vision (Isa. 22)

"Two cities have been formed by two loves: the earthly by the lover of self, even to the contempt of God; the heavenly by the love of God, even to the contempt of self." St. Augustine, The City of God, Book XIV, Chapter 28

Augustine borrowed this from Isaiah.

And as we go through the oracles concerning the nations, we are beginning to see more and more clearly the distinction between the city of God and the city of man...