اَلتَّكْوِينُ 21:2

فَحَبِلَتْ سَارَةُ وَوَلَدَتْ لِإِبْرَاهِيمَ ٱبْنًا فِي شَيْخُوخَتِهِ، فِي ٱلْوَقْتِ ٱلَّذِي تَكَلَّمَ ٱللهُ عَنْهُ.

For Sarah conceived, and bare Abraham a son in his old age, at the set time of which God had spoken to him.