And never say thou of a thing: verily I am going to do that on the morrow. 23 Except (with the saying), "If Allah will!" And remember your Lord when you forget and say: "It may be that my Lord guides me unto a nearer way of truth than this." 24 So they stayed in their Cave three hundred years, and (some) add nine (more) 25 Say, "Allah is most knowing of how long they remained. He has [knowledge of] the unseen [aspects] of the heavens and the earth. How Seeing is He and how Hearing! They have not besides Him any protector, and He shares not His legislation with anyone." 26 And recite (and teach) what has been revealed to thee of the Book of thy Lord: none can change His Words, and none wilt thou find as a refuge other than Him. 27 Restrain thyself along with those who cry unto their Lord at morn and evening, seeking His Countenance; and let not thine eyes overlook them, desiring the pomp of the life of the world; and obey not him whose heart We have made heedless of Our remembrance, who followeth his own lust and whose case hath been abandoned. 28 And proclaim: "This is the Truth from your Lord. Now let him who will, believe; and let him who will, disbelieve. We have prepared a Fire for the wrong-doers whose billowing folds encompass them. If they ask for water, they will be served with a drink like dregs of oil that will scald their faces. How dreadful a drink, and how evil an abode! 29 Verily those who believe and work the righteous works - verily We waste not the hire of one who doth well in regard to his work. 30 There will be gardens of Eden for them, with rivers flowing by, where they will be decked in bracelets of gold, with silken robes of green and of brocades to wear, reclining on couches. How excellent the guerdon, and excellent the resting-place! 31