“What size do you want to be?”
Caterpillar·CHAPTER V. Advice from a Caterpillar
Central Question

What does the Caterpillar mean by asking Alice, “What size do you want to be?” and how does it shape her struggle with identity and control?

Quick Facts

Speaker
Caterpillar
Chapter
CHAPTER V. Advice from a Caterpillar

Analysis

Context

On the mushroom, the Caterpillar interrogates Alice’s identity and contradicts her at every turn. After making her recite “You are old, Father William” and declaring it “wrong from beginning to end,” he presses her about her complaints: she cannot remember verses and cannot keep the same size. The exchange escalates as he rejects her generalizations and even her preference not to be three inches tall—despite being exactly three inches himself. In the midst of this testy back-and-forth, he asks, “What size do you want to be?” Shortly afterward he gives the key instruction: one side of the mushroom makes her grow, the other makes her shrink. Left to experiment, Alice learns to nibble each piece alternately until she returns to a workable height, preparing her to approach the small house and, later, the garden.

Meaning and interpretation

The question “What size do you want to be?” overturns Alice’s assumption that size is something that just happens to her. Up to this moment, growth and shrinking have been bewildering accidents caused by mislabeled bottles and cakes. The Caterpillar reframes the problem as a matter of preference and technique: if she can name a desired state, she can work toward it. His tone is needling, even perverse—he refuses to recognize her confusion and calls three inches “a very good height”—but the provocation forces Alice to articulate her own criteria. She wants stability more than any specific measurement: “only one doesn’t like changing so often.” The question therefore exposes two layers of “size”: physical stature and a stable sense of self. Carroll binds these together so that choosing a size becomes a metaphor for choosing a self amid competing norms. In Wonderland, where rules are inconsistent, agency emerges through iterative trial, not obedience. The Caterpillar’s query thus initiates Alice’s shift from passive subject of change to active experimenter, a shift immediately realized through the two-sided mushroom she must test, compare, and adjust.
Analysis

From contradiction to pedagogy

The Caterpillar’s pedagogy is paradoxical: he contradicts (“I don’t know,” “It isn’t”), withholds explanations, and then asks a deceptively simple question that converts complaint into a problem with parameters. This resembles Socratic prodding, but in comic negative: instead of guiding by reasoned steps, he destabilizes Alice’s assumptions until she defines a goal herself. The irony is sharp—he defends three inches because it validates his own stature—yet that self-interest inadvertently teaches Alice that measures are relative to the measurer. The question prefaces two consequential developments: first, practical method (nibble right, then left) replaces moral recitation as the path to mastery; second, Alice’s capacity to choose and maintain a proportion becomes the groundwork for later assertiveness, including her growth in the courtroom when she refuses “sentence first—verdict afterwards.” In short, the line converts size from fate into practice, and identity from essence into ongoing calibration.

Choice, not accident

By asking what she wants, the Caterpillar shifts size-change from accidental mishaps to an adjustable setting. Alice’s subsequent mushroom trials show agency gained through small, reversible experiments rather than absolute rules.

Relativity of “proper” size

Calling three inches “a very good height” exposes that standards are perspective-bound. Alice learns that the “right” size is situational—fit for a house, a garden, or a conversation—rather than a single moral or social ideal.

Themes and characters

- Identity-and-growing-up: The question links bodily flux to self-definition, asking Alice to name who (and how big) she wants to be. - Bodily-change-and-autonomy: It inaugurates her controlled resizing via the mushroom. - Education-and-mock-pedagogy: The Caterpillar’s curt interrogations replace didactic verse with experimental learning. - Logic-language-and-nonsense: The literal query about inches doubles as a philosophical puzzle about stable identity in a world of shifting measures.

Related

Characters