never say of anything, "I shall certainly do this tomorrow," 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 AND [some people assert,] "They remained in their cave three hundred years"; and some have added nine [to that number]. 25 Say: "Allah knows best how long they remained in it, for only He knows all that is hidden in the heavens and the earth. How well He sees; how well He hears! The creatures have no other guardian than Him; He allows none to share His authority." 26 Recite what has been revealed to you of the Book of your Lord. There is no one who can change the word of God; and you will not find refuge except in Him. 27 Keep yourself attached to those who call on their Lord, morning and evening, seeking His pleasure; and do not let your eyes turn away from them, desiring the attraction of worldly life; and do not obey one whose heart We have made heedless of Our remembrance, one who pursues his own whims and becomes dissolute. 28 And say thou: the truth is from your Lord; let him therefore who will, believe, and let him who will, disbelieve. Verily We have gotten ready for the wrong-doers a Fire the awnings whereof shall encompass them; and if they cry for relief they shall be relieved with water like the dregs of oil scalding their faces. Ill the drink, and vile the resting-place! 29 The righteously striving believers should know that We do not neglect the reward of those who do good deeds. 30 As for such, theirs will be Gardens of Eden, wherein rivers flow beneath them; therein they will be given armlets of gold and will wear green robes of finest silk and gold embroidery, reclining upon throne therein. Blest the reward, and fair the resting-place! 31