Meaning & Analysis
A sharp retort demanding a definite time—used to mock or challenge vague assurances by asking, in effect, “Exactly when will that happen?”
Insights
Empty assurances
Without a date, a promise is air. The question exposes commitments that lack schedule as fundamentally hollow.
Time as proof
Timing is the test of truth. To ask 'When?' insists that reality be nailed to a moment, turning talk into an actionable pledge.
Delay as denial
Endless postponement functions like refusal. The quip translates indefinite futurity into a practical 'never.'
Power check
Those with leverage stall; the rejoinder claws back agency by demanding a clock, not more rhetoric.
Epistemic discipline
The phrase polices knowledge-claims: if you cannot specify 'when,' your certainty is suspect and your plan unformed.
Stage-bred skepticism
In Marlowe, Jonson, and Shakespeare, the line punctures bluster or facile promises; its quick-fire cadence suits comic repartee, where bravado is deflated by a demand for specifics.
Economy of credit
Requests for loans or favors often met with airy 'soon.' The proverb’s snap makes time the currency of trust: no timeline, no credit.
Pragmatics of talk
It enforces Gricean 'Quantity': say enough to guide action. Vague future-tense fails the cooperative principle; the rejoinder flags the breach.
Psychology of procrastination
Ambiguous plans protect self-image while enabling delay. The quip strips that cover, forcing commitment that threatens avoidance.
Civic virtue
As public wisdom, it trains citizens to demand deadlines from officials and patrons—turning private wit into a tool for accountability.
Cluster resonance
It harmonizes with maxims against dilatory gifts and promises: timeliness is integral to virtue; lateness dissolves thanks and credibility alike.
Rhetorical Devices
Rhetorical question
Twin questions ('When? / can you tell?') rebuke without stating the accusation outright.
Epiplexis
Interrogation as scold: the questions serve to chastise vagueness rather than to elicit information.
Ellipsis
Fragmentary phrasing compresses a whole social scene—promise, doubt, demand—into two beats.
Parallelism
Back-to-back short clauses create a percussive rhythm that makes the line quotable and memorable.
Irony
The feigned request for knowledge signals the speaker’s belief that there is no real plan at all.
Transcription
Quotations
Come, give it me again. —Ay much; when? can you tell?
He . . will but talk with him and send him back. —When, can you tell?
You wait for Rachel to, when can you tell?
Tis sure, my maister shall finde her, if he could tell when.
Shakespeare Citations
Have at you with another; that's—When? can you tell?
I pray thee lend me thine. —Ay, when? canst tell?
Related Proverbs
Original Scan

Used under CC BY-NC 3.0.