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.
If a person is chronically failing, it is due to a lack of training or a lack of ability. Which is it? At which of the five steps did the person fail? Different steps require different abilities and if you can identify which abilities are lacking, you'll go a long way toward diagnosing the problem.