There are a lot of people in the world who are able to do everything for having many or to become rich. Such people don't usually earn their many in the right way. Some for them do great cheats, others use their money for illegal activities. Some are able to steal or even to murder for money. That's why some people mean money is the root of an evil but not of all evil. There are plenty of other thing people making bad in the world.
Money has a lot of shapes: notes are mostly oblong, coins, are circle. Some of them are angular, The notes are usually differently coloured and coins are made from different metals. Each note and coin has its own reverse and observe, and each country has its own currency.