Sahih al-Bukhari · The Book of Oaths and Vows
10- بَابُ إِذَا قَالَ أَشْهَدُ بِاللَّهِ، أَوْ شَهِدْتُ بِاللَّهِ:
(10) Chapter. If one says: “I bear witness swearing by Allah” or "I have borne witness swearing by Allah."
1 hadith · references 6658–6658
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