Al 'Imran, 130 Ayah
3:130
يَٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُواْ لَا تَأۡكُلُواْ ٱلرِّبَوٰٓاْ أَضۡعَٰفٗا مُّضَٰعَفَةٗۖ وَٱتَّقُواْ ٱللَّهَ لَعَلَّكُمۡ تُفۡلِحُونَ ١٣٠
Yā 'Ayyuhā Al-Ladhīna 'Āmanū Lā Ta'kulū Ar-Ribā 'Ađ`āfāan Muđā`afatan ۖ Wa Attaqū Al-Laha La`allakum Tufliĥūna
O you who have believed, do not consume usury, doubled and multiplied, but fear Allah that you may be successful.