Money is just  a paper but it can control whole human life and discompose the whole world. It has already taken the whole power of the world onto its hand. Money was not used by the people in the past. They had used to do their transactions by exchanging different kinds of goods. After the European industrial revolution these usages got different. As a result of this the usage of  money was built up. Many kinds of subjects under the foundation of money has been created. And also there are so many subjects on money to study.
You can make your life a success and comfort with money in the correct way. Better be careful that the opposite of its usage will bring you disadvantages.