Allah tells us about His Book, which falsehood cannot approach from before or behind it, sent down by the All-Wise, Worthy of all praise. He states that it has been brought down by the trustworthy Ruh (i.e., Jibril) who is helped by Allah, {And it is not the Shayatin who have brought it down.} Then He tells us that it could not be the case for three reasons that the Shayatin brought it down. One is that it would not suit them, i.e., they have no desire to do so and they do not want to, because their nature is to corrupt and misguide people, but this contains words enjoining what is right and forbidding what is evil, and light, guidance and mighty proofs. There is a big difference between this and the Shayatin, Allah says: {Neither would it suit them} {nor are they able.} meaning, even if they wanted to, they could not do it. Allah says: {Had We sent down this Qur'an on a mountain, you would surely have seen it humbling itself and rent asunder by the fear...