An article explains why the Muslims abide by the prohibition of usury while the Jewish and Christian secularists are calling to to affirm it. A glimpse at some texts from the Quran and the Sunnah which severely warn against the taking of interest. Interest and Usury in the Bible (Judaism and Christianity) and according to early thinkers. An article explains how something so despised such as interest could be justified and even institutionalized as a standard. The various ways in which thinkers in the past have tried to conjure explanations for the existence of interest. The various ways in which interest has harmed society. The devastating ills of interest on an international level. An Islamic solution to the interest model, and how economy can still thrive without interest.