God says in the Holy Quran what means " Those who swallow usury cannot rise up save as he ariseth whom the devil hath prostrated by (his) touch
Commercial or usury banks builds its economy on usury which is as old as the human history . it was practiced by certain rich persons who used to lend money at high interest . These persons are now substituted with whatever called Commercial banks , these banks don't differ at all from the old money-lenders .These banks trade in money taking from this at low interest and giving that at high interest creating so many economic ,social and moral crises .
It is because of these crises that all the revealed religions banned usury whish is considered a heinous sin Islam ; reading some holy texts from Quran and the Hadiths reveals how heinous sin usury is .
Treasury Secretary Timothy F. Geithner has said that he sounded the alarm four years ago to regulators about problems with the benchmark interest rate known as Libor.