Hebrews 12:29

Origen Against Celsus Book VI

Nor is the Spirit, in our opinion, a "body," any more than fire is a "body," which God is said to be in the passage, "Our God is a consuming fire."[362]

Hippolytus Refutation of All Heresies Book VI

Now he is of the appearance of fire. Moses also, he says, expresses himself thus: "The Lord thy God is a burning and consuming fire."[81]

A Treatise of Novatian Concerning the Trinity

But these things are rather used as figures than as being so in fact. For as, in the Old Testament,[38]