27:9
يَـٰمُوسَىٰٓ إِنَّهُۥٓ أَنَا ٱللَّهُ ٱلْعَزِيزُ ٱلْحَكِيمُ ٩
Saheeh International
O Moses, indeed it is I - Allah, the Exalted in Might, the Wise."
Tafsir of "Ibn Kathir" (English)
O Musa! Verily, it is I, Allah, the All-Mighty, the All-Wise.Allah told him that the One Who was addressing him was his Lord Allah, the All-Mighty, Who has subjugated and subdued all things, the One Who is Wise in all His words and deeds.