What had got into him? What was he thinking of? Why, at this very instant men were facing with a smile things a thousand times worse than this. Black wastes of shell-torn barrenness, tangled with barbed wire, littered with unknown pitfalls, loomed into his imagination. There were shadows brightened ominously by the flare of signal rockets or the flash of hand grenades; silences shattered by the thunder of big guns or the whining ping of sharpshooters’ bullets. And in imagination that worst horror of all—the deadly poison gas—caught him for an instant by the throat and choked him. Yet over there men looked hourly into the face of such a death and laughed, while he was afraid to take a little risk—for them!