The horse blinked and shook his head, but could not rid himself of the flies that pestered his eyes as they tried to sip his tears. He was accustomed by now to the anguish imposed by the bits at the corners of his mouth and barely noticed it, but the lacrimation it seemed to produce persisted, and the horse did not know how to stop. At night the harness and reins were removed, and the flies fled the darkness and cold. Suddenly, the horse did not know whether or not he was crying.