THEODORET OF CYR:
It is fitting for us to know that God is incorporeal, simple and without form and that he admits of no circumscription. Although it pertains to his nature not to be able to be circumscribed, very often to help us he makes use of visions, whenever he wills. And one can see that he appears to Abraham in one way, to Moses in another and to Isaiah in yet another; likewise, he showed Ezekiel still a different appearance. Therefore, whenever you see the variety of revelation, do not think that God has many forms, but rather listen to God as he speaks through the prophet Hosea: “I multiplied the visions, and I was proclaimed in parables in the warnings of the prophets.” He said, “I adopted likenesses,” not I appeared. He fashions in a vision however it suits him. So too blessed Ezekiel, when he had at length pondered on him whom he had seen to consist of gold and fire, added as he narrated the vision, “These things are an image of the glory of the Lord.” And he did not say that he had seen the Lord or even the Lord’s glory but rather something resembling the glory of the Lord.