The 4 Types of Courage

Recently I saw a documentary about a guy called Dean Potter.  Dean is a mountaineer who specialises in an art called slack rope walking or ‘slacklining’ for short.  Simply put, this is a sort of tightrope walk between peaks on a mountain, often with no safety line or parachute.  See him in action here. For mere mortals like us, this level of courage seems to border on the...

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