Jeff Bezos has spoken publicly about Amazon's "inevitable" demise since 2013.Bezos stated that the average life span of large companies is only a few decades. He said that companies die if they stagnate."Amazon can fail, but it's not too big," Bezos said in 2018. "In fact, I predict that Amazon will fail one day," Bezos stated in 2018.Check out more stories from Insider's business page.Jeff Bezos created Amazon on July 5, 1994. On Monday, exactly 27 years later, he was removed as CEO to make room for Andy Jassy, senior Amazon executive.Amazon has grown to be a global tech giant under Bezos' leadership, but the billionaire at times seemed convinced that Amazon is doomed. Bezos spoke three times about Amazon's possible demise between 2013-2018, and in his April 2021 letter to shareholders, he quoted Richard Dawkins' passage about "staving off the death".This is unusual for CEOs who have demanding investors watching their backs. Executives are usually unflinchingly optimistic about the prospects of their company's prospects.Bezos seems to be driven by fear of stagnation and failure. Here are some instances when he spoke about Amazon's "inevitable death".