۞ Say: 'Do you disbelieve in Him who created the earth in two days? And do you set up equals with Him? He is the Lord of the Worlds' 9 He placed therein firm hills rising above it, and blessed it and measured therein its sustenance in four Days, alike for (all) who ask; 10 Thereafter turned He to the heaven and it was as smoke, and said unto it and unto the earth: come ye twain, willingly or loth. They said: we come willingly. 11 So He determined them as seven heavens in two days, and revealed its commandment in every heaven.' 12 But if they turn away, tell them: “I warn you against a sudden scourge like that which struck Ad and Thamud.” 13 When their Noble Messengers approached them from front and from behind saying, "Do not worship any one except Allah"; they said, "If our Lord willed, He would surely have sent down angels – we therefore deny whatever you have been sent with.” 14 Then as to Ad, they were unjustly proud in the land, and they said: Who is mightier in strength than we? Did they not see that Allah Who created them was mightier than they in strength, and they denied Our communications? 15 We sent upon them a violent wind during a few ill-fated days to make them suffer a disgraceful torment in this life. Their torment in the life to come will be even more disgraceful and they will not receive any help. 16 As for Thamood, We (offered) them Our Guidance, but they preferred blindness to guidance. So a thunderbolt of the humiliating punishment seized them because of what they had earned; 17 And We delivered those who believed and used to keep their duty to Allah. 18