فَأَرَدْنَا أَنْ يُبْدِلَهُمَا رَبُّهُمَا خَيْرًا مِنْهُ زَكَاةً وَأَقْرَبَ رُحْمًا 81
"So we desired that their Lord would give them in exchange (a son) better in purity (of conduct) and closer in affection.