of any union between the Lord—the Creator of the heavens and the earth—and any human being, nor of the indwelling of His essence along with one attribute while the rest of the attributes remain with the essence, nor even of that attribute itself inhering in something else—whether His knowledge, His speech, His life, or anything of the sort.
On the contrary, everything they maintain regarding trinity, indwelling, and union finds no basis whatsoever in the prophetic books they possess. Those very books, together with the Quran and sound reason, contain numerous explicit statements that affirm the opposite. Thus they stand opposed to both rational judgment and the revealed books of God.
Second: They declare, “We affirm only one God,” yet in their creed, their proofs, and other statements they plainly establish three gods, thereby undermining their own words. They put forward mutually contradictory claims whose falsehood is evident to any rational person who understands them.
For this reason no consistent, coherent formulation can be obtained from them. As some intelligent observers have said, “The Christians have no statement that any rational mind can comprehend, nor are their assertions textually fixed …”