Abu Hurairah (May Allah be pleased with him) said:
The Messenger of Allah (peace be upon him) said, “It is an act of oppression on the part of a person to procrastinate in fulfilling his obligation; if the repayment of a debt due to any of you is undertaken by a rich person, you should agree to the substitution.”
Riyad as-Salihin, Book 18, Hadith 1611
