That is, the children in the flesh are not really the children of God, but the children by the promise are counted as the seed. ”
أَيْ إِنَّ ٱلْأَوْلَادَ فِي ٱلْجَسَدِ لَيْسُوا حَقًّا أَوْلَادَ ٱللهِ ،‏ بَلِ ٱلْأَوْلَادُ بِٱلْوَعْدِ هُمُ ٱلَّذِينَ يُحْسَبُونَ ٱلنَّسْلَ » .‏