(Muhammad), say, "I worship only my Lord and do not consider anyone equal to Him". 20 Say: 'Surely I possess no power over you, either for hurt or for rectitude.' 21 Say: "No one can deliver me from Allah (If I were to disobey Him), nor should I find refuge except in Him, 22 My duty is only to convey that which I receive from Him and His messages." For those who disobey God and His Messenger there is the fire of hell, wherein they will abide forever. 23 At length, when they see (with their own eyes) that which they are promised,- then will they know who it is that is weakest in (his) helper and least important in point of numbers. 24 Say: I do not know whether that with which you are threatened be nigh or whether my Lord will appoint for it a term: 25 (He is) the Knower of the Unseen, and He revealeth unto none His secret, 26 Except whom He has approved of messengers, and indeed, He sends before each messenger and behind him observers 27 so as to make manifest that it is indeed [but] their Sustainer's messages that these [apostles] deliver: for it is He who encompasses [with His knowledge] all that they have [to say,] just as He takes count, one by one, of everything [that exists]. 28