Eleazar of Worms, Sha‘ar ha-Sod ha-Yihud we-ha-’Emunah pp. 147-148.
The Creator has no body, physical stature, image or form at all… The glory is an appearance of the resplendent light, which is called Shekhinah, and the will of the Creator shows and images that very light to the prophets according to the hour, to this one like that [form] and to the other […]