There are principles that govern human effectiveness - natural laws in the human dimension that are just as real, just as unchanging and unarguably there as laws such as gravity are in the physical dimension.
Stephen CoveyThe first principle of ethical power is Purpose. By purpose, I don't mean your objective or intention-something toward which you are always striving. Purpose is something bigger. It is the picture you have of yourself-the kind of person you want to be or the kind of life you want to lead.
Stephen Covey