"Whosoever asserts that the outward, visible form perceived in the material world (al-shahādah) is a physical body just as it is seen, has indeed disbelieved. However, when that visible form is witnessed in plain sight through individualization (al-tashkhīṣ), that individualization stems from the vision of the onlookers, not from the Essence."

And it came in the book The Treatise of Divestment (al-Tajrid):

"It has been established that Muhammad and Ali cast no shadow in the sun nor in the moon, and that when they walked upon solid rock, they left an impression upon it, yet if they walked upon sand, no footprint of theirs remained. Can one who is like this be a composited human being?"

And it came in the book al-Uṣayfir:

"Indeed, the Divinity, the Exalted, is not a physical body, nor does He occupy a physical body."

And the Sheikh, Allah sanctify his person, said in the epistle The Distinction Between the Messenger and the One Who Sends:

"Indeed, Gabriel said: 'Verily, the angels of every heaven yearn for Ali and to gaze upon him; and they asked Allah to fashion for them in every heaven a person resembling him,