Which idea did the author develop LEAST in this article about building self-confidence? the ways improved self-image can help in different areas of life the importance of taking action as a step toward personal growth the common things that make people feel bad about themselves the relationship between outside perspective and improvement

London includes a quote about john thornton as he is observing hal attempt to motivate the exhausted dogs "it was idle, he knew, to get between a fool and his folly". if the word "idle" is defined as "of no real worth, importance, or significance", what does this statement mean with regard to hal? who is the fool? what is hal's folly? why would john thornton think it of no real worth or useless to intervene?