(Ali-Imran) 3 : 130
يَا أَيُّهَا الَّذِينَ آمَنُوا لَا تَأْكُلُوا الرِّبَا أَضْعَافًا مُضَاعَفَةً ۖ وَاتَّقُوا اللَّهَ لَعَلَّكُمْ تُفْلِحُونَ
Oh, you who believed! You shouldn’t eat usury by doubling and multiplying it, and you heed Lord Allah so that you may prosper.