Dalil
العربية

Quran Al-Baqarah 2:163

وَإِلَٰهُكُمۡ إِلَٰهٞ وَٰحِدٞۖ لَّآ إِلَٰهَ إِلَّا هُوَ ٱلرَّحۡمَٰنُ ٱلرَّحِيمُ

Translation

And your god is one God. There is no deity [worthy of worship] except Him, the Entirely Merciful, the Especially Merciful.