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.
I know that my own life has been full of mistakes and lots of great feedback. It was only by looking down on this body of evidence from a higher level that I was able to get around my mistakes and go after what I wanted. For as long as I have been practicing this, I still know I can't see myself objectively, which is why I continue to rely so much on the input of others.