Abu Huraira (Allah be pleased with him) said he heard Allah's Messenger (ﷺ) as saying
Swearing produces a ready sale for a commodity, but blots out the blessing.
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.