Just as if, in the heart of their band, which progressed along the "front" like a luminous comet, they had decided that the surrounding crowd was composed of creatures of another race whose sufferings even could not awaken in them any sense of fellowship, they appeared not to see them, forced those who had stopped to talk to step aside, as though from the path of a machine that had been set going by itself, so that it was no good waiting for it to get out of their way, their utmost sign of consciousness being when, if some old gentleman of whom they did not admit the existence and thrust from them the contact, had fled with a frightened or furious, but a headlong or ludicrous motion, they looked at one another and smiled.