Riyad as-Salihin, Book 12, Hadith 1368 (In-Book)

Jabir (May Allah be pleased with him) reported: The Messenger of Allah said, "May Allah show mercy to a man who adopts a kind attitude when he sells, buys and demands for the repayment of loans."[Al-Bukhari].

وعن جابر رضي الله عنه أن رسول الله صلى الله عليه وسلم قال‏:‏ ‏ "‏رحم الله رجلا سمحًا إذا باع وإذا اشترى وإذا اقتضى‏" ‏ ‏(‏‏(‏رواه البخاري‏)‏‏)‏‏.‏

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