This forms the nub of a dilemna that every Everest climber eventually comes up against: in order to succeed you must be exceedingly driven, but if you're too driven you're likely to die.
Jon KrakauerMost climbers aren't in fact deranged, they're just infected with a particularly virulent strain of the Human Condition.
Jon KrakauerHaving stumbled upon a tolerable career, for the first time in my life I was actually living above the poverty line. My hunger to climb had been blunted, in short, by a bunch of small satisfactions that added up to something like happiness.
Jon Krakauer