Surah Al-Baqara Verse 234 - English Translation by N J Dawood
Surah Al-Baqaraوَٱلَّذِينَ يُتَوَفَّوۡنَ مِنكُمۡ وَيَذَرُونَ أَزۡوَٰجٗا يَتَرَبَّصۡنَ بِأَنفُسِهِنَّ أَرۡبَعَةَ أَشۡهُرٖ وَعَشۡرٗاۖ فَإِذَا بَلَغۡنَ أَجَلَهُنَّ فَلَا جُنَاحَ عَلَيۡكُمۡ فِيمَا فَعَلۡنَ فِيٓ أَنفُسِهِنَّ بِٱلۡمَعۡرُوفِۗ وَٱللَّهُ بِمَا تَعۡمَلُونَ خَبِيرٞ
Those of you who die and leave wives behind, their widows shall wait, keeping to themselves for four months and ten days. When they have reached the end of their waiting period, it shall be no offence for you to let them do whatever they choose for themselves, provided that it is decent. God is cognizant of what you do