Success in business, as in most areas of life, depends upon being able to solve problems. If you can teach yourself how to solve problems, you have a bright career ahead of yourself. No matter where you live, you will find problems galore in need of solving. In most cases, those who would benefit from solutions of their problems will pay you handsomely to effect them.
– from The Sovereign Individual book by James Dale Davidson and William Rees-Mogg