It was narrated from Abu Hurairah that the Messenger of Allah (ﷺ) said:
Whoever is easy with (a debtor) who is in difficulty, Allah will be easy with him in this world and in the Hereafter." (RU)
English reference (RU): Vol. 3, Book 15, Hadith 2417 (RU)
Arabic reference (RU): Book 15, Hadith 2510 (RU)