Sarah's faith journey

وَٱمْرَأَتُهُۥ قَآئِمَةٌ فَضَحِكَتْ فَبَشَّرْنَـٰهَا بِإِسْحَـٰقَ وَمِن وَرَآءِ إِسْحَـٰقَ يَعْقُوبَ

And his wife was standing, and she smiled. Then We gave her good tidings of Isaac and after Isaac, Jacob.