" The reason why we need both stretch goals and SMART goals is that audaciousness, on its own, can be terrifying. It’s often not clear how to start on a stretch goal. And so, for a stretch goal to become more than just an aspiration, we need a disciplined mindset to show us how to turn a far-off objective into a series of realistic short-term aims. "

― Charles Duhigg , Smarter Faster Better: The Secrets of Being Productive in Life and Business