Concerning His simplicity, there are eight points of inquiry:

(1) Whether God is a body?

(2) Whether He is composed of matter and form?

(3) Whether in Him there is composition of quiddity, essence
or nature, and subject?

(4) Whether He is composed of essence and existence?

(5) Whether He is composed of genus and difference?

(6) Whether He is composed of subject and accident?

(7) Whether He is in any way composite, or wholly simple?

(8) Whether He enters into composition with other things?
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FIRST ARTICLE [I, Q. 3, Art. 1]

Whether God Is a Body?

Objection 1: It seems that God is a body. For a body is that which has
the three dimensions. But Holy Scripture attributes the three
dimensions to God, for it is written: "He is higher than Heaven, and
what wilt thou do? He is deeper than Hell, and how wilt thou know? The
measure of Him is longer than the earth and broader than the sea" (Job