Deception and Appearance

Characters constantly hide their true feelings and actions behind masks of propriety. The lavish boudoir of du Tillet's house is described as 'for sale,' lacking any personal warmth, mirroring the emotional emptiness and deceit within the marriages.

The happy surface of Marie's marriage hides the growing discontent within, and society's conversations about love are themselves a form of deception.

Nathan's external eccentricities are deliberately cultivated to project genius, while his true character is revealed as cynical and manipulative. Marie is dazzled by his 'regal mantle' of fame, unaware of his mockery.

Florine's life as an actress involves constant performance, both on stage and off, as she feigns illness for leisure and sells her possessions under a pretense to fund Raoul's venture.

The lovers maintain a facade of casual acquaintance while hiding their true feelings; Lady Dudley's teasing reveals how easily appearances can be read.