Luqman Ayah 23

وَمَن كَفَرَ فَلَا يَحْزُنكَ كُفْرُهُۥٓ‌ۚ إِلَيْنَا مَرْجِعُهُمْ فَنُنَبِّئُهُم بِمَا عَمِلُوٓاْ‌ۚ إِنَّ ٱللَّهَ عَلِيمُۢ بِذَاتِ ٱلصُّدُورِ ٢٣ But whoever disbelieves, do not let their disbelief grieve you ?O Prophet?. To Us is their return, and We will inform them of all they did. Surely Allah knows best what is ?hidden? in the heart.