According to the passage what might be a effective way to study

Sarah tried to erase the files full of illegal in her computer before the police arrived, but she was too late.

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?

According to scholasticism, truth is god's?