وَعَنْ جَابِرٍ
قَالَ: كَانَ لِي عَلَى النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ دَيْنٌ فَقَضَانِي وَزَادَنِي
Jabir said the Prophet (sallallahu alayhi wa sallam) owed him a debt and gave him something extra when he paid it.
Mishkat al-Masabih 2805, Book 12, Business Transactions, Hadith 161. 1 min read