Do not say of anything: 'I will do it tomorrow' 23 without [adding], "if God so wills." Remember your Lord whenever you might forget and say, "I trust my Lord will guide me to that which is even nearer to the right path than this." 24 And they stayed in their Cave for three hundred years* and nine more*. (* 300 according to the Solar calendar and 309 according to the Lunar calendar.) 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 what has been revealed to you of the Book of your Lord, there is none who can alter His words; and you shall not find any refuge besides Him. 27 And be patient with those who call to their Lord in the morning and evening, desiring His Face. And do not turn your eyes away from them desiring the good things of this life, nor obey he whose heart We have made neglectful of Our remembrance; so that he follows his own lust, and his affair has become excessive. 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 Surely (as for) those who believe and do good, We do not waste the reward of him who does a good 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