Why - can they [who deny the truth ever] determine what [the truth] should be?

What! have they settled some plan (among themselves)? But it is We Who settle things.

Or do they determine any thing (against the Prophet)? Lo! We (also) are determining.

Or have they settled an affair? But it is We Who settle (affairs).

Or have they devised [some] affair? But indeed, We are devising [a plan].