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And if you could only see, O Muhammad "sallallahu 'alayhi wa sallam" , when the angels take (read either as yatawaffā or tatawaffā) the disbelievers, beating (yadribūna is a circumstantial qualifier) their faces and their backs, with hooked iron rods, and, they say to them: 'Taste the chastisement of burning, that is, the Fire (the response to the [clause beginning with] law, 'if', would be la-ra'ayta amran 'azīman, 'you would truly have seen an terrible sight').