Sahih al-Bukhari · The Book of The Expiation of Unfulfilled Oaths

2- بَابُ قَوْلِهِ تَعَالَى: {قَدْ فَرَضَ اللَّهُ لَكُمْ تَحِلَّةَ أَيْمَانِكُمْ وَاللَّهُ مَوْلاَكُمْ وَهْوَ الْعَلِيمُ الْحَكِيمُ}:

(2) Chapter. When is expiation due or obligatory upon the rich and the poor? And the Statement of Allah: "Allah has already ordained fro you (O men) the dissolution of your oaths. And Allah is your Maula (Lord, Master, Protector) and He is the All-Knower, the All-Wise." (V.66:2)

1 hadith · references 6709–6709