I myself dropped twenty-five pounds of flesh between my departure from the ship and my return to it.
But fortitude and endurance alone are not enough in themselves to carry a man to the North Pole.

Only with years of experience in traveling in those regions, only with the aid of a large party, also experienced in that character of work, only with the knowledge of arctic detail and the equipment necessary to prepare himself and his party for any and every emergency, is it possible for a man to reach that long sought goal and return..