(27) باب النَّهْىِ عَنِ الْحَلِفِ، فِي الْبَيْعِ
Abu Qatada al-Ansari (Allah be pleased with him) reported he heard Allah's Messenger (ﷺ) say:
Beware of swearing; it produces a ready sale for a commodity, but blots out the blessing. (DE)
Reference (DE): Sahih Muslim 1607 (DE)
In-book reference (DE): Book 22, Hadith 165 (DE)
USC-MSA web (English) reference(deprecated numbering scheme): Book 10, Hadith 3914 (DE)