Islamic Financial Ethics

يَـٰٓأَيُّهَا ٱلَّذِينَ ءَامَنُوا۟ لَا تَأْكُلُوا۟ ٱلرِّبَوٰٓا۟ أَضْعَـٰفًا مُّضَـٰعَفَةً ۖ وَٱتَّقُوا۟ ٱللَّهَ لَعَلَّكُمْ تُفْلِحُونَ

O you who have believed, do not consume usury, doubled and multiplied, but fear Allāh that you may be successful.