Shackleton and Optimism (quote) 29. Mar / quote / No Comments Optimism nullifies disappointment and makes one more ready than ever to go on. Success secrets of Shackleton’s Endurance expedition. If you found this article valuable, help others by sharing it! Related Posts:Use the Wrong Reasons to Achieve the Right Goals [quote]Maybe it was bold determination or simple insanity [quote]Defeat is Not Due to Losses but to the Destruction of the Soul [quote] Jason Make stuff for the web. Write about tech, business, and behavior change. Always moving.