What is the famous one-liner associated with the play's philosophy of life?

• A. All that glitters is not gold.
• B. To be, or not to be, that is the question.
• C. A thing of beauty is a joy forever.
• D. The truth is rarely pure and never simple.

Answer: (D)

In The Importance of Being Earnest, a core idea Wilde plays with is that truth isn’t neat or simple once you’re dealing with social rules, appearances, and personal disguises. The humor and critique come from how characters bend, blur, or hide the truth to fit conventions, and how those pretenses are ironically exposed. The famous line “The truth is rarely pure and never simple” captures this perfectly. It’s a compact, witty statement that throws into relief Wilde’s view that reality is tangled with satire, deception, and social performance. The line feels at home with the play’s running joke about Bunburying and the casual way characters treat truth as something flexible, not a rigid absolute. Other famous lines come from different authors or contexts and don’t echo Wilde’s punchy commentary on truth and identity in this play.