It is enormously important to bring up and trade money in the Islamic form in society. If we can establish this fact literally in society, it will be a graet conquest. Conquest doesn't mean just conquering castles and fortifications.
The characteristic of Islamic banking and its instruments are non-usury money trading, regulating money transactions under Islamic laws and conducting correct Islamic transactions in which there are no oppression, exploitation, wealth accumulation (unfairly), class discrimination and the like.
Scientists who are eager to do research must literally carry out their research to reach unknown facts.
The Supreme Leader
29 August 1990