The Six Enemies of Greatness (and Happiness) – ForbesThe Six Enemies of Greatness (and Happiness) These six factors can erode the grandest of plans and the noblest of intentions. They can turn visionaries into paper-pushers and wide-eyed dreamers into shivering, weeping balls of regret. Beware! 1) Availability We often settle for what's available, and what's available isn't always great.