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." (TR)
English reference (TR): Vol. 3, Book 15, Hadith 2417 (TR)
Arabic reference (TR): Book 15, Hadith 2510 (TR)