'Life is too short to waste time on second-class ambitions. Go for the big ones.' Now in his late seventies, Sir Ranulph Fiennes looks back on a lifetime of exploration, and draws powerful, inspiring lessons that we can all use when faced by the tribulations of everyday life. Having crossed both Polar ice caps on foot, climbed Everest and the Eiger, served in the SAS and circumnavigated the world along its polar axis - a 53,000 mile...