Source identified1
“The old believe everything: the middle-aged suspect everything: the young know everything.”
The epigram compresses three stereotypes of certainty into one balanced joke, mocking credulity, suspicion, and youthful overconfidence at once.
Source note: “Phrases and Philosophies for the Use of the Young,” first published in The Chameleon in 1894.
Source identified2
“The truth is rarely pure and never simple.”
Voice: Fictional character · Algernon Moncrieff
Wilde resists neat moral simplification by reminding the reader that truth often arrives mixed with context and contradiction.
Source note: The Importance of Being Earnest, Act 1; Algernon delivers the purity-and-simplicity line as a comic epigram during the play’s conversation about truth and social performance.
Source identified3
“To define is to limit.”
Voice: Fictional character · Lord Henry Wotton
Definitions clarify ideas but can also narrow them, especially when a label is treated as the complete reality of a person or experience.
Source note: The Picture of Dorian Gray, 1891 edition, Chapter 17; Lord Henry answers the Duchess of Monmouth’s question “What are you?” with “To define is to limit.”
Source identified4
“All art is at once surface and symbol.”
Voice: Authorial / signed preface voice · Oscar Wilde — Preface
The aphorism resists a simple choice between appearance and hidden meaning: an artwork can operate through both at the same time.
Source note: The Picture of Dorian Gray, 1891 edition, Preface; part of Wilde’s warning about reading beneath artistic surfaces.
Source identified5
“Those who find beautiful meanings in beautiful things are the cultivated.”
Voice: Authorial / signed preface voice · Oscar Wilde — Preface
The line makes beauty partly a matter of interpretation: cultivation shows itself not only in seeing a beautiful object but in discovering meaning within it.
Source note: The Picture of Dorian Gray, 1891 edition, Preface; Wilde distinguishes different ways readers and viewers respond to beauty.
Source identified6
“It is not selfish to think for oneself.”
Independent thought is distinguished from selfishness: forming one’s own judgment can protect individuality without requiring indifference to other people.
Source note: The Soul of Man under Socialism; Wilde defends individual thought while criticizing social pressure that mistakes conformity for moral virtue.