In "The Adventure of the Dancing Men," the inspector reveals his keen observational skills by expressing surprise at a critical detail he noticed. His exclamation, "By George! How did you ever see that?" highlights the significance of close attention and diligent searching in solving mysteries. This moment reflects the core theme of the story, where careful scrutiny of clues plays a pivotal role in unraveling hidden meanings.

The inspector's response, "Because I looked for it," emphasizes the importance of actively seeking out information rather than passively waiting for it to reveal itself. This approach not only stands as a testament to his detective prowess but also serves as a reminder of the value of persistence and the necessity of a proactive mindset in uncovering the truth.