The dead land is a sign for them. We revive it, and from it produce grain from which they eat. 33 and We made therein gardens of palms and vines, and therein We caused fountains to gush forth, 34 So that they may eat of the fruit thereof, and their hands made it not. Will they not, then, give thanks? 35 Purity is to Him Who created all pairs, from what the earth grows, and of themselves, and from the things they do not know. 36 And a sign to them is the night: We draw forth from it the day, then lo! they are in the dark; 37 And the sun runs his course for a period determined for him: that is the decree of (Him), the Exalted in Might, the All-Knowing. 38 and [in] the moon, for which We have determined phases [which it must traverse] till it becomes like an old date-stalk, dried-up and curved: 39 It is not allowable for the sun to reach the moon, nor does the night overtake the day, but each, in an orbit, is swimming. 40 And a sign for them is that We lodged them in a laden ship, while they were in their forefathers backs. 41 And We have created for them of the like thereunto whereon they ride. 42 And if We please, We can drown them, then there shall be no succorer for them, nor shall they be rescued 43 Unless it be a mercy from Us, and as an enjoyment for a while. 44 When they are told, "Fear ye that which is before you and that which will be after you, in order that ye may receive Mercy," (they turn back). 45 Yet there never comes to them any sign of their Lord's signs, but they turn away from it. 46 And when it is said to them: "Spend of that with which Allah has provided you," those who disbelieve say to those who believe: "Shall we feed those whom, if Allah willed, He (Himself) would have fed? You are only in a plain error." 47 And they say, “When will this promise be fulfilled, if you are truthful?” 48 They wait not for aught but a single cry which will overtake them while they yet contend with one another. 49 and so [sudden will be their end that] no testament will they be able to make, - nor to their own people will they return! 50