These phantoms speak with human voices. . . able to vanish or appear at will, to pass in and out through the walls of the fuselage as though no walls were there. . . familiar voices, conversing and advising on my flight, discussing problems of my navigation, reassuring me, giving me messages of importance unattainable in ordinary life.
If a man voluntarily allows himself to be crushed, he yields the oil of moral energy which sustains the world.