Al-Aleem (the All-Knowing ),Al – Khabeer (the All-Aware)
He is the One Whose knowledge encompasses all the outward and hidden matters, the open and secret, all things that must necessarily occur, all those things that are impossible to occur and all things can possibly occur, of the affairs of the whole of the creation, of the past, the present and the future.There is absolutely nothing from is hidden from him.
“Verily Allah! With him (Alone) is the knowledge of the Hour, he sends down the rain and knows what is in the wombs.No person knows what he will earn tomorrow and no person knows in what land he will die.Indeed Allah is All-Knowing, All-Aware.”(31-34)
“O Mankind! We have created you from a male and a female and made you into nations and tribes that you may know each other. Verily, the most honorable of you in the Sight of Allah is the most God-Fearing of you. Indeed, Allah is the All-Knower, the All-Aware.”(49:13)
Source : Islamhouse