on the Day when the chastisement shall envelop them from above them and from under their feet and We shall say thereat read the verb as naqūlu in other words ‘We shall command that it be said; or if read yaqūlu ‘he shall say’ namely the one in charge of meting out chastisement ‘Taste now what you used to do!’ that is taste the requital for it as you will not be able to elude Us.