38إِنَّ اللَّهَ عالِمُ غَيبِ السَّماواتِ وَالأَرضِ ۚ إِنَّهُ عَليمٌ بِذاتِ الصُّدورِ(Irfan-ul-Quran)Surely Allah knows the unseen of the heavens and the earth. He is undoubtedly Well Aware of things (hidden) in breasts.