"When i rest i feel utterly lifeless except that my throat burns when i draw breath...i can scarcely go on. No despair, no happiness, no anxiety. I have not lost the mastery of my feelings, there are actually no more feelings. I consist only of will. After each few metres this too fizzles out in unending tiredness. Then i think nothing. I let myself fall, just lie there. For an indefinite time i remain completely irresolute. Then I make a few steps again" - Reinhold Messner, first to summit Everest without supplemental oxygen.

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