Say: 'I call only upon my Lord, and I do not associate with Him anyone. 20 Say: "Verily, it is not in my power to cause you harm or to endow you with consciousness of what is right." 21 Say thou: verily none can protect me from Allah, nor can I find beside Him any refuge. 22 (It is) only a delivering (of communications) from Allah and His messages; and whoever disobeys Allah and His Apostle surely he shall have the fire of hell to abide therein for a long time. 23 [Let them, then, wait] until the time when they behold that [doom] of which they were forewarned: for then they will come to understand which [kind of man] is more helpless and counts for less! 24 Say: 'I do not know whether that which you are promised is near, or whether my Lord will set for it a time. 25 "He (alone) knows the Unseen, nor does He make any one acquainted with His Mysteries,- 26 other than to a Messenger whom He chooses (for the bestowal of any part of the knowledge of the Unseen), whereafter He appoints guards who go before him and behind him, 27 That He may know that they have preached the message of their Lord. And He comprehendeth whatever is with them, and He keepeth count of everything numbered. 28