A token unto them is the dead earth. We revive it, and We bring forth from it grain so that they eat thereof; 33 We made in it gardens of date-palms and vines, and We caused springs to gush forth 34 so that they may consume the fruits and whatever their hands prepare. Will they not then be grateful? 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 there is a sign in the night for them. We strip off the day from it and they are left in darkness, 37 And the sun runs its course for its final destination; this is a command of the Almighty, the All Knowing. 38 And the moon, We have measured for it mansions (to traverse) till it returns like the old dried curved date stalk. 39 It is not for the sun to overtake the moon, nor does the night outstrip the day. They all float, each in an orbit. 40 And a sign for them is that We lodged them in a laden ship, while they were in their forefathers backs. 41 and [that] We create for them things of a similar kind, on which they may embark [in their travels]; 42 We could have drowned them if We pleased, and none would have answered their cry for help, nor would they have been saved, 43 unless it be by an act of mercy from Us and a grant of life for a [further span of] time. 44 When it is said unto them: Beware of that which is before you and that which is behind you, that haply ye may find mercy (they are heedless). 45 and no message of their Sustainer's messages ever reaches them without their turning away from it. 46 and when they are told, "Give to others out of what God has provided for you," those who are bent on denying the truth say to the believers, "Why should we feed those whom God could feed if He wanted? You are clearly in error!" 47 And they say: "When will this promise come to pass, if what you say is true?" 48 They will not (have to) wait for aught but a single Blast: it will seize them while they are yet disputing among themselves! 49 Therefore neither able to make a will, nor returning to their homes. 50