Ali 'Imran ۱۳۵:۳ والذين اذا فعلوا فاحشة او ظلموا انفسهم ذكروا الله فاستغفروا لذنوبهم ومن يغفر الذنوب الا الله ولم يصروا على ما فعلوا وهم يعلمون ١٣٥

Interest (Riba) is Prohibited

Allah prohibits His believing servants from dealing in Riba and from requiring interest on their capital, just as they used to do during the time of Jahiliyyah. For instance, when the time to pay a loan comes, the creditor would say to the debtor, "Either pay now, or the