Quran 2:226 from Surah Al-Baqara on Divine Marvels.
لِّلَّذِينَ يُؤۡلُونَ مِن نِّسَآئِهِمۡ تَرَبُّصُ أَرۡبَعَةِ أَشۡهُرٖۖ فَإِن فَآءُو فَإِنَّ ٱللَّهَ غَفُورٞ رَّحِيمٞ
English translation: For those who swear (off) from their wives (is a) waiting (of) four months then if they return then indeed Allah (is) Oft- Forgiving Most Merciful
Transliteration: lilladhina yu'luna min nisaihim tarabbusu arba'ati ashhurin fa-in fau fa-inna al-laha ghafurun rahimun