Wise words that sound so familiar and are so true  ... just think of 'expedition' as a 'project'  and you get a recipe for coping with any personal or professional challenge:

"Carrying out detailed planning so that you are confident in the expedition and its success is key, as is developing a mental toughness when faced with difficult situations. It is imperative to stay focused and not to panic if something bad or unexpected happens."
 Sir Ranulph Fiennes: Tips on coping with icy weather