Surah 6. Al-An'am, Ayah 9

Lit., "if We had made him an angel" - with the pronoun obviously referring to the bearer of God's message (Zamakhshari).

Lit., "We would have made confusing to them that which they are making confused". Since it is impossible for man to perceive angels as they really are, the hypothetical angelic message-bearer would have to assume the shape of a human being - and so their demand for a direct "verification" of the message would have remained unfulfilled, and their self-caused confusion unresolved.

Supposing an angel should appear to their grosser senses, he could only do it in human form. In that case their present confused notions about spiritual life would be still more confounded. They would say: "We wanted to see an angel, and we have only seen a man!"