" The accrued guilt and clutter of day-to-day existence—the lapses of conscience, the unpaid bills, the bungled opportunities, the dust under the couch, the festering familial sores, the inescapable prison of your genes—all of it is temporarily forgotten, crowded from your thoughts by an overpowering clarity of purpose, and by the seriousness of the task at hand. "

― Jon Krakauer , Eiger Dreams: Ventures Among Men and Mountains