And whatever is in the heavens and whatever is in the earth is Allah's and certainly We enjoined those who were given the Book before you and (We enjoin) you too that you should be careful of (your duty to) Allah; and if you disbelieve, then surely whatever is in the heavens and whatever is in the earth is Allah's and Allah is Self-sufficient, Praise-worthy.

And if their turning away is hard on you, then if you can seek an opening (to go down) into the earth or a ladder (to ascend up) to heaven so that you should bring them a sign and if Allah had pleased He would certainly have gathered them all on guidance, therefore be not of the ignorant.

Their messengers said: Is there doubt about Allah, the Maker of the heavens and the earth? He invites you to forgive you your faults and to respite you till an appointed term. They said: You are nothing but mortals like us; you wish to turn us away from what our fathers used to worship; bring us therefore some clear authority.

O my son! surely if it is the very weight of the grain of a mustard-seed, even though it is in (the heart of) rock, or (high above) in the heaven or (deep down) in the earth, Allah will bring it (to light); surely Allah is Knower of subtleties, Aware;

Say: Have you considered what you call upon besides Allah? Show me what they have created of the earth, or have they a share in the heavens? Bring me a book before this or traces of knowledge, if you are truthful.