The first example is from the story, Holes. The main character, Stanley III, steals a water truck to help his friend, Zero, but fails. Stanley Yelnats the third has a family who is cursed because of the original Stanley Yelnats back in the old days. Stanley Yelnats the third was sent to Camp Green Lake after he was accused of stealing a famous baseball player’s shoes from a homeless shelter. Stanley continued to dig holes at Camp Green Lake until he came across a mysterious lipstick tube, which led to new discoveries. Stanley is a boy who lacked confidence. He had always let himself get bullied around. When Stanley stole a water truck to help Zero, he demonstrated that he had gained self-confidence. For the remainder of the novel, he continued to show self-confidence as he advanced in his life. This example about Stanley supports my interpretation of the critical lens quote.
The second example is also from Holes. Zero is another boy who lacked confidence. Zero’s real name is Hector Zeroni. Back in the old day, Hector’s great-great-great grandmother, Madam Zeroni, was the one who cursed the original Stanley Yelnats and his