Surah Al-Baqarah, Verse 131

إِذۡ قَالَ لَهُۥ رَبُّهُۥٓ أَسۡلِمۡۖ قَالَ أَسۡلَمۡتُ لِرَبِّ ٱلۡعَٰلَمِينَ١٣١

idh qāla lahu rabbuhu aslim qāla aslamtu lirabbi l-ʿālamīna

When his Lord said to him, "Submit," he said, "I have submitted [in Islām] to the Lord of the worlds."