St. Thomas Aquinas defined it as the "charging of double payment."
Cardinal Hostiensis claimed that laws against this practice do not apply in the case of lucrum cessans. Cato and Seneca both compared it to homicide, but St. Anselm led a change in Catholic scholarship when he defined it as other than a simple "lack of charity." In Islam this practice is called riba and the Quran claims that God permits commerce but prohibits this practice, even with infidel, while Jewish law allows this practice with non-Jews. St. Thomas Aquinas defined it as the "charging of double payment." For 10 points, what is this practice, prohibited in most world religions, of charging excessive interest on loans?
Cardinal Hostiensis claimed that laws against this practice do not apply in the case of lucrum cessans.
usury [accept charging high interest rates or equivalent until the giveaway]