قَالُوا أَتَعْجَبِينَ مِنْ أَمْرِ اللَّهِ ۖ رَحْمَتُ اللَّهِ وَبَرَكَاتُهُ عَلَيْكُمْ أَهْلَ الْبَيْتِ ۚ إِنَّهُ حَمِيدٌ مَّجِيدٌ (73)
(11:73) They said: 'Do you wonder at Allah's decree? *82 Allah's mercy and His blessings be upon you, O people of the house. Surely, He is Praiseworthy, Glorious.'
*82). Ordinarily, it is uncommon for women to bear children at such an advanced age. However, such a thing is not at all beyond the range of God's power. And since the tiding had been conveyed at the instance of God, there was no reason why a staunch believer such as Sarah should feel astonished, let alone entertain any doubts about it.