But [let them always remember that] if We lengthen a human being's days, We also cause him to decline in his powers [when he grows old]: will they not, then, use their reason? 68 We have not taught him poetry; it is not seemly for him. It is only a Remembrance and a Clear Koran, 69 that he may warn him who is alive and establish an argument against those that deny the Truth. 70 Do they not see that, among the things which Our hands have fashioned, We have created for them cattle of which they are the masters, 71 And We have subjected them to them, so some of them they have to ride upon, and some of them they eat. 72 And they have (other) benefits from them (besides), and they get (milk) to drink, will they not then be grateful? 73 And they have taken gods besides Allah that they may be helped. 74 They cannot help them, for them (the so called) army are brought (with them to Hell). 75 Let not their words grieve you. Surely We know all things about them, what they conceal and what they reveal. 76 Does not man see We created him from a drop of semen? Even then he becomes an open contender, 77 And he has struck for Us a similitude and forgotten his creation; he says, 'Who shall quicken the bones when they are decayed?' 78 Say: "He who created you the first time. He has knowledge of every creation, 79 He has created fire for you out of the green tree from which you can kindle other fires. 80 Is not He who created the heavens and the earth able to create the like of these? Yea! He is the Supreme Creator, the Knower. 81 Whenever He wills a thing, He just commands it “Be” and it is. 82 Exaltations to Him in whose Hand is the Kingdom of all things, and to Him you will be returned. 83