Quran 71:2

قَالَ يَٰقَوۡمِ إِنِّي لَكُمۡ نَذِيرٞ مُّبِينٌ

Qaala yaa qawmi innee lakum nazeerum mubeen

English Translation

He said, "O my people, indeed I am to you a clear warner

— Saheeh International