Quran Ali 'Imran 3:130
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ لَا تَأۡكُلُواْ ٱلرِّبَوٰٓاْ أَضۡعَٰفٗا مُّضَٰعَفَةٗۖ وَٱتَّقُواْ ٱللَّهَ لَعَلَّكُمۡ تُفۡلِحُونَ
Translation
O you who have believed, do not consume usury, doubled and multiplied, but fear Allāh that you may be successful.