Why there are rich and poor?

There has always been rich and poor people. It has been that way for some time. People are be rich for may reasons as the person above listed. There is also the middle class where a lot of people find themselves. They are neither rich nor poor but they get buy. They work everyday to pay their bills and afford the necessities in life. I am one of those people. I may not have a whole lot of money but I get by. I have more then a lot of other people do. I have a roof over my head and food on my table.