"These be things which happened before I came into the land, "she said, "and I know not of them. Only do I know what I know, and I know I saw thee lashed like a dog in the day; and in the night, the men killed and were killed, I saw thee not. Also, thy people do call thee Negore, the Coward. It is thy name now, Negore, the Coward." Which sentence best explains the central idea of this section of the story?