Sahih al-Bukhari 2287

Arabic

حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنْ أَبِي الزِّنَادِ، عَنِ الأَعْرَجِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ مَطْلُ الْغَنِيِّ ظُلْمٌ، فَإِذَا أُتْبِعَ أَحَدُكُمْ عَلَى مَلِيٍّ فَلْيَتْبَعْ ‏"‏‏.‏

English translation

Narrated Abu Huraira:The Prophet (ﷺ) said, "Procrastination (delay) in paying debts by a wealthy man is injustice. So, if your debt is transferred from your debtor to a rich debtor, you should agree

Reference: Sahih al-Bukhari 2287, Book of Transferance of a Debt from One Person to Another (Al-Hawaala). English translation by Dr. Muhammad Muhsin Khan.