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You know what Joe? One of these days I'm gonna show you little people.
— Mark ‧ Empire Records

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A speaker warns Joe that a day will come when they demonstrate their worth to those they dismiss as small. It reads as a boast with a dash of menace, promising a future reversal in which the belittled figure finally proves bigger than expected.
Context reviewed