Deception and Appearance

Characters often hide their true intentions and identities, as seen in the twins' physical resemblance and the murderer's use of the maze's privacy to commit crimes unseen, emphasizing the gap between outward appearance and inner reality.

Stenness internally reflects on his own hidden motives and altered plans, while Sir Clinton's ordinary appearance masks his keen perception.

Stenness's selective disclosure and Ernest's distracted demeanor suggest hidden truths beneath surface statements.

Wendover's misleading appearance as a simple country gentleman contrasts with his sharp mind, and Sir Clinton's casual purchases mask his investigative intent.

Arthur's hostility and suspicious behavior contrast with his later cooperation, hinting at hidden motives.