(26) بَابُ: {يَمْحَقُ اللَّهُ الرِّبَا وَيُرْبِي الصَّدَقَاتِ وَاللَّهُ لاَ يُحِبُّ كُلَّ كَفَّارٍ أَثِيمٍ}
Narrated Abu Huraira:
I heard Allah's Messenger (ﷺ) saying, "The swearing (by the seller) may persuade the buyer to purchase the goods but that will be deprived of Allah's blessing."
Reference: Sahih al-Bukhari 2087
In-book reference: Book 34, Hadith 40
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 34, Hadith 300