Famous Riddles in Literature: From Sphinx to Tolkien
Riddles in literature are almost never decoration. When a great writer drops a riddle into a story, they do so because the riddle does something that flat prose cannot. It tests a character. It signals a threshold. It rewards the careful reader and embarrasses the lazy one. This article walks through the most famous literary riddles in the Western canon, paying attention to why each one was placed where it was.
The Sphinx, in Sophocles
The Sphinx of Greek mythology was a monster — lion-bodied, woman-headed, winged — who blocked the road to Thebes and devoured anyone who could not answer her riddle. Most sources, including Sophocles' Oedipus Rex (429 BCE), give the riddle as: What walks on four legs in the morning, two at noon, and three in the evening?
Oedipus, walking toward his fate, answers correctly: a human being. The Sphinx, defeated, throws herself from a cliff. Oedipus enters Thebes as a hero and is offered the queen as his bride — the queen who, unbeknownst to him, is his mother.
The riddle is functionally a key: only a wise enough character can pass. But it is also thematically the centre of the play. Oedipus has answered correctly the question what is a human? while remaining catastrophically ignorant of what this human — himself — actually is. Sophocles places the riddle and the tragedy in deliberate parallel. The man who can solve the universal puzzle is destroyed by the particular one.
Samson, in the Book of Judges
The earliest riddle in the Hebrew Bible appears in Judges 14, where Samson poses one to his Philistine wedding guests: Out of the eater, something to eat; out of the strong, something sweet.
The answer is honey from the carcass of a lion Samson killed earlier. The guests cannot solve it, threaten his bride into telling them, and Samson — enraged at the betrayal — kills thirty Philistines to pay the wager. The riddle is the spark that begins his war.
What makes the Samson riddle striking is how unfair it is. The answer is impossible to derive from the puzzle alone; it requires knowing a specific event in Samson's recent life. Many scholars read this as the point — the riddle is a deliberate trap, designed to be unsolvable so that the host can collect on the wager. Samson is gaming the conventions of his own wedding feast.
The Anglo-Saxon Exeter Book
The Exeter Book, compiled around 970 CE, contains roughly 95 Anglo-Saxon riddles in Old English verse. They are the earliest substantial collection of riddles in any English-related language, and they are filthy. Many are deliberately bawdy on the surface and innocent in the actual answer — the speaker describes a body part suggestively, but the answer turns out to be a key, or a churn, or an onion.
The most famous is Riddle 25 (numbering varies), in which a "wonderful creature" stands tall, has a head, makes a noise, and brings tears to a woman's eye. The answer is an onion. The double meaning is the joke. The riddles were oral entertainment, told around fires, and the bait-and-switch from rude to wholesome was the punchline.
The Exeter Book also contains riddles of pure beauty: an iceberg describes itself as a maiden born of cold and silence; a swan describes the feathers that "sing" when she flies overhead. These rank among the loveliest short poems in English.
Shakespeare's "Merchant of Venice"
The casket scenes in Act II of The Merchant of Venice turn riddle-solving into the formal mechanism by which Portia chooses a husband. Three caskets — gold, silver, lead — sit on a table. Each bears an inscription. The suitor who picks the casket containing Portia's portrait wins her hand. The wrong choice ends the suitor's marriage prospects forever.
The Prince of Morocco picks gold ("Who chooseth me shall gain what many men desire"). The Prince of Aragon picks silver ("Who chooseth me shall get as much as he deserves"). Both are wrong. Bassanio, the hero, picks lead ("Who chooseth me must give and hazard all he hath") and wins.
Shakespeare is doing two things at once. On the surface it is a folktale — the right answer rewards humility over vanity. Underneath, it is a meditation on appearance and value. The play's central theme is that things look like one thing and turn out to be another: Shylock is a merchant who turns out to be a moralist, Portia is a woman who turns out to be a lawyer, gold is a metal that turns out to be deceit. The casket riddle is the structural anchor for the whole play's investigation of surface and substance.
Lewis Carroll, in Alice in Wonderland
The Mad Hatter, at the tea party, asks Alice: Why is a raven like a writing desk? Alice cannot answer. Neither can the Hatter. "I haven't the slightest idea," he says.
The riddle was, in 1865 when Carroll wrote it, deliberately answerless. Carroll was making a small joke about Victorian society's love of riddles by including one that could not be solved. The joke went too well. For years afterwards, readers wrote to Carroll demanding an answer, and he eventually invented one in the preface to a later edition: Because it can produce a few notes, though they are very flat; and it is never put with the wrong end in front. This is itself a riddle — "notes" meaning both musical notes and written notes, and the joke about "wrong end in front" being a pun on the obsolete spelling "nevar" (reverse of "raven").
Multiple wittier answers have been proposed by later writers. Sam Loyd offered: Because the notes for which they are noted are not noted for being musical notes. Aldous Huxley proposed: Because there's a B in both and an N in neither.—a perfect Carrollian piece of nonsense that also happens to be technically true.
Tolkien, in The Hobbit
The riddle game between Bilbo Baggins and Gollum, in Chapter 5 of The Hobbit (1937), is the most beloved riddle scene in modern fantasy. Tolkien was a philologist who had spent his career immersed in the Anglo-Saxon and Norse riddle traditions, and the scene is his loving recreation of those forms.
Gollum's riddles tend to be cosmic and slow (mountains, fish, the dark). Bilbo's are domestic and quick (teeth, sun on daisies, eggs). The contest is also a character study: Gollum is older, deeper, more inhuman; Bilbo is human-scale and improvisational. When Bilbo finally stumps Gollum — by accidentally asking What have I got in my pocket? as he tries to think of a real riddle — he wins through a technicality that is also, in Tolkien's moral universe, a kind of cheat. The cheat haunts Bilbo for the rest of his life and shapes the entire Lord of the Rings.
Tolkien's riddles work as literature because each one belongs to its asker. The Sphinx asked Oedipus a question fit for a tragedy. Gollum asks Bilbo questions fit for a fairy tale. The form is a character revealer.
Why riddles still belong in stories
A riddle in a story does what almost nothing else can: it makes the reader actively complicit. You can read a description of a sword fight passively, but you cannot read a riddle without involuntarily trying to solve it. For a brief moment the reader and the character are in the same situation, facing the same problem, with the same information. The fourth wall thins. When the character answers — rightly or wrongly — you have already felt the weight of the choice.
It is also why riddles continue to appear in modern detective fiction, escape rooms, video games, and crossword puzzles. They are a thousands-of-years-old technology for engaging a mind. They are not going away.
If you want to spend a few minutes trying riddles yourself, the RiddleCrypt dungeon mixes traditional riddles with modern variants. The Daily Riddle ships one fresh puzzle every midnight UTC.