Tafseer Ibn Kathir of AL ANBIYAA' [56]

قَالَ بَل رَّبُّكُمْ رَبُّ السَّمَاوَاتِ وَالْأَرْضِ الَّذِي فَطَرَهُنَّ وَأَنَا عَلَى ذَلِكُم مِّنَ الشَّاهِدِينَ

He said, "[No], rather, your Lord is the Lord of the heavens and the earth who created them, and I, to that, am of those who testify.