Tim Ferriss, the author of the 4-Hour Workweek and the 4-Hour Body, talks about a different type of productivity technique, that is based on Stoicism.Basically, the discussion is about the practicality of pessimism and stoicism as a productivity system.
This video asks that you ponder this: could defining your fears be more important than defining your goals? Watch out this motivational talk in this another awesome Tim Ferriss video.