Ibn Ishaq محمد بن إسحاق بن يسار‎ · The Chapters on Charity

the Messenger of Allah (ﷺ) said: “Do not take back your charity.”

the Prophet (ﷺ) gave him a Dinar to buy him a sheep, and he bought two sheep for him, then he sold one of them for a Dinar, and bought a Dinar and a sheep to the Prophet (ﷺ). The Messenger of Allah (ﷺ) prayed for blessing for him.

That during the time of the Messenger of Allah (ﷺ), a man pursued a debtor who owed him ten Dinar, and he said: “I do not have anything to give you.” He (the creditor) said: “No, by Allah, I will not leave you until you pay the debt or you bring me a guarantor.” Then he dragged him to the Prophet (ﷺ) and the Prophet (ﷺ) said to him: “How long will you wait?” He said: “One month.” The Messenger…

the Mother of the Believers Maimunah used to take out loans frequently, and some of her family said: “Do not that,” and they denounced her for that. She said: “No. I heard my Prophet (ﷺ) and my close friend say: ‘There is no Muslim who takes out a loan and Allah(SWT) knows that he intends to pay it back, but Allah(SWT) will pay it back for him in this world.'”

“Whoever dies owing a Dinar or a Dirham, it will be paid back from his good deeds, because then there will be no Dinar or Dirham.”