117إِنَّ رَبَّكَ هُوَ أَعلَمُ مَن يَضِلُّ عَن سَبيلِهِ ۖ وَهُوَ أَعلَمُ بِالمُهتَدينَ(Irfan-ul-Quran)Surely your Lord alone knows best the one who strays away from His path and only He knows best the rightly guided (as well).