You must understand money: how it works, how it grows and how it disappears. Know that it takes time to grow and getting an early start is the shortest route to fortune. Adopt the habits of a wealthy person. Look to major achievers, such as Warren Buffett, Carlos Slim Helu or Oprah Winfrey. Follow their personal rules for business. Find successful mentors and see how they have done it. It is not so much about being a genius or inventing something amazing. It is about believe in yourself and staying on target.
However, this is about choosing majors. Remember what is hot today may be cold in a decade and you will still be un-retired. Identify a field that will be around for a while so you don't become a fad.
Biomedical and pharmaceutical are powerful career paths. Medicine will always be a strong employer. People may no longer need cathode ray tube repair but they will never stop needing healthcare. Be part of the cutting edge of the medical field and you will always have a top-dollar job.
Computer science and information technology are necessary to success in the modern world. Become an expert in this and you will always be in demand. The integration of technology into our lives will never stop expanding.
Of course, to earn money, learn money. Finance and business education will put you in the river of cash flow and teach you what to do with it when you get it.
Don't forget construction and civil engineering. As much as the world relies on nanotechnology and semiconductors, it still needs buildings and roads. You can get your hands dirty with the grunt-work of building without education, but to be the person with the hard-hat and the briefcase with the big salary, you need a degree. The Dallas Cowboys' stadium cost $1.3 billion to build. How would you like to be foreman of that job?