By Bryan Gould
Most people would say, no doubt, they have a pretty good idea of what money is.
They live with the reality of money every day. It is what is needed to buy the necessities of life and to maintain a decent standard of living.
You get money, they would say, by earning wages or selling something or getting a return on an investment or borrowing. There is no mystery about money; it just is - a constant part of the environment, like land or air or water.
But they don't usually stop to ask where money