Tafseer Ibn Kathir of AL AN'AAM [75]

وَكَذَلِكَ نُرِي إِبْرَاهِيمَ مَلَكُوتَ السَّمَاوَاتِ وَالأَرْضِ وَلِيَكُونَ مِنَ الْمُوقِنِينَ

And thus did We show Abraham the realm of the heavens and the earth that he would be among the certain [in faith]