Dalil

Quran Ar-Ra'd 13:9

عَٰلِمُ ٱلۡغَيۡبِ وَٱلشَّهَٰدَةِ ٱلۡكَبِيرُ ٱلۡمُتَعَالِ

Translation

[He is] Knower of the unseen and the witnessed, the Grand, the Exalted.