Dalil

Quran Al-Hashr 59:22

هُوَ ٱللَّهُ ٱلَّذِي لَآ إِلَٰهَ إِلَّا هُوَۖ عَٰلِمُ ٱلۡغَيۡبِ وَٱلشَّهَٰدَةِۖ هُوَ ٱلرَّحۡمَٰنُ ٱلرَّحِيمُ

Translation

He is Allāh, other than whom there is no deity, Knower of the unseen and the witnessed. He is the Entirely Merciful, the Especially Merciful.