Authors:
  • Exactly 5,126 attempts to make the first bagless vacuum cleaner were failures-some catastrophic disappointments, some minor defects. It took 15 years. Prototype 5,127 was the success ... Failure is painful, but it spurs on improvement like nothing else.

    "Failure can be an option" by James Dyson, www.theguardian.com. July 22, 2012.