13فَرَدَدناهُ إِلىٰ أُمِّهِ كَي تَقَرَّ عَينُها وَلا تَحزَنَ وَلِتَعلَمَ أَنَّ وَعدَ اللَّهِ حَقٌّ وَلٰكِنَّ أَكثَرَهُم لا يَعلَمونَHilali & KhanSo did We restore him to his mother, that she might be delighted, and that she might not grieve, and that she might know that the Promise of Allah is true. But most of them know not.