Principles are ways of successfully dealing with reality to get what you want out of life.
Ray Dalio, one of the world’s most successful investors and entrepreneurs, cites principles as his key to success.
Even a company's owners have bosses, in their case, the investors whose money is being spent to achieve their goals. If the owners are self-funded, they still have to make their clients and employees happy. And they can't escape the responsibility of making sure that their costs are acceptable and their goals are being met. Even if a person's job is unique, someone needs to be holding them accountable at all times.