فَأَرَدْنَا أَن يُبْدِلَهُمَا رَبُّهُمَا خَيْرًا مِّنْهُ زَكَاةً وَأَقْرَبَ رُحْمًا ٨١

So we intended that their Lord might bless them with (such) a substitute as would be better than this (boy) in purity and nearer (to his parents as well) in clemency and kindness. (18:81)