وَكَذَلِكَ نُرِي إِبْرَاهِيمَ مَلَكُوتَ السَّمَاوَاتِ وَالَارْضِThus did We show Ibrahim the kingdom of the heavens and the earth..., means, when he contemplated about the creation of the heaven and earth, We showed Ibrahim the proofs of Allah's Oneness over His dominion and His creation, which indicate that there is no god or Lord except Allah.Allah said in other Ayat;قُلِ انظُرُواْ مَاذَا فِى السَّمَـوَتِ وَالاٌّرْضِSay:"Behold all that is in the heavens and the earth." (10:101)and,أَفَلَمْ يَرَوْاْ إِلَى مَا بَيْنَ أَيْدِيهِمْ وَمَا خَلْفَهُمْ مِّنَ السَّمَأءِ وَالاٌّرْضِ إِن نَّشَأْ نَخْسِفْ بِهِمُ الاٌّرْضَ أَوْ نُسْقِطْ عَلَيْهِمْ كِسَفاً مِّنَ السَّمَأءِ إِنَّ فِى ذَلِكَ لاّيَةً لِّكُلِّ عَبْدٍ مُّنِيبٍSee they not what is before them and what is behind them, of the heaven and the earth If We will, We sink the earth with them, or cause a piece of the sky to fall upon them. Verily, in this is a sign for every servant who turns to Allah. (34:9)وَلِيَكُونَ مِنَ الْمُوقِنِينَthat he be one of those who have faith with certainty.Allah said next