He said: O Adam! inform them of their names. Then when he had informed them of their names, He said: Did I not say to you that I surely know what is ghaib in the heavens and the earth and (that) I know what you manifest and what you hide?

Then after sorrow He sent down security upon you, a calm coming upon a party of you, and (there was) another party whom their own souls had rendered anxious; they entertained about Allah thoughts of ignorance quite unjustly, saying: We have no hand in the affair. Say: Surely the affair is wholly (in the hands) of Allah. They conceal within their souls what they would not reveal to you. They say: Had we any hand in the affair, we would not have been slain here. Say: Had you remained in your houses, those for whom slaughter was ordained would certainly have gone forth to the places where they would be slain, and that Allah might test what was in your breasts and that He might purge what was in your hearts; and Allah knows what is in the breasts.

They said: If he steal, a brother of his did indeed steal before; but Yusuf kept it secret in his heart and did not disclose it to them. He said: You are in an evil condition and Allah knows best what you state.

If you do a thing openly or do it in secret, then surely Allah is Cognizant of all things.