English translation
3534. It was narrated that Yūsuf bin Māhak Al-Makkī said: "I used to record the expenses of so-and so for some orphans whose guardian he was. And (when they reached puberty) they made a (deliberate) mistake, and asked him for one thousand Dirham more than they were entitled to, and he gave it to them. Later on, twice the additional amount that they had taken came under my control. I said: 'Take your thousand that they took under false pretences.' He said: 'No. My father told me that he heard the Messenger of Allāh ﷺ say: "Render the trust back to the one who entrusted it to you, and do not betray the one who betrayed you." (Da'if)