Sura 35 Fatir (Originator), aya 38

1. إِنَّ اللَّهَ عَالِمُ غَيْبِ السَّمَاوَاتِ وَالْأَرْضِ ۚ إِنَّهُ عَلِيمٌ بِذَاتِ الصُّدُورِ

   Indeed, Allah is Knower of the unseen (aspects) of the heavens and earth. Indeed, He is Knowing of that within the breasts.

   35:38

Tafsiri: Saheeh International