Achieving a goal depends on a strong belief in a chosen process or vehicle, as well as a good choice in the first place. Once the journey has begun, a feedback system and positive results can encourage continuing on the journey vs. just...
Many factors come into play when reaching out for the really big and important goals. These steps will greatly improve your chances of arriving at the finish line and getting what you truly want from life.
Personal Mastery is a discipline that recognizes that people very often sub-optimize or short-circuit they own achievements. How many people that "say" that they want a particular outcome actually achieve it?