وَخَتَنَ إِبْرَاهِيمُ إِسْحَاقَ ٱبْنَهُ وَهُوَ ٱبْنُ ثَمَانِيَةِ أَيَّامٍ كَمَا أَمَرَهُ ٱللهُ.
And Abraham circumcised his son Isaac being eight days old, as God had commanded him.