Principles are natural laws that are external to us and that ultimately control the consequences of our actions. Values are internal and subjective and represent that which we feel strongest about in guiding our behavior.
Stephen CoveyWhile I believe in the power of positive thought, I do not believe that you or I can simply psyche ourselves into success or peace of mind.
Stephen CoveyWe often get so busy "sawing" (producing results) that we forget to "sharpen our saw" (maintain or increase our capacity to produce results in the future).
Stephen Covey