"Effort accumulates to the point where it is unstoppable."We round off this month with a distilled, concise summary of all the best principles and tips I know for setting goals and following through on them.We discuss goal-setting keys, long-term vs short-term, exponential change, developmental psychology, hockey sticks and pianos.Subscribe to my newsletter for fortnighthly updates: http://eepurl.com/iQjAiw