Each of us has but one life to live on this earth. What we do with it is our choice. Are we drifting through it as spectators, reacting to our circumstances when necessary and wondering just how we got to this point anyway? Or are we directing it, maximizing the joy and potential of every day, living with a purpose or mission in mind?

Too many of us are doing the former--and our lives are slipping away one day at a time. But what if we treated life like the gift that it is? What if we lived each day as though it were part of a bigger picture, a plan? That's what New York Times...