Dalil

Quran Sad 38:65

قُلۡ إِنَّمَآ أَنَا۠ مُنذِرٞۖ وَمَا مِنۡ إِلَٰهٍ إِلَّا ٱللَّهُ ٱلۡوَٰحِدُ ٱلۡقَهَّارُ

Translation

Say, [O Muḥammad], "I am only a warner, and there is not any deity except Allāh, the One, the Prevailing,