(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. (PT)
Reference (PT): Sahih Muslim 1607 (PT)
In-book reference (PT): Book 22, Hadith 165 (PT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 10, Hadith 3914 (PT)