I'm against picketing, but I don't know how to show it.

This line is a Mitch Hedberg one-liner from his stand-up act, built around wordplay on “picketing” as both a form of protest and the act of holding a sign. Hedberg’s comedy often mined everyday phrases and civic behaviors for literal interpretations, turning political or labor vocabulary into an absurdly practical problem. The joke’s setup (“I’m against picketing”) mimics a public stance on protest tactics, but the punchline flips it into a physical dilemma: if you oppose picketing, you can’t easily demonstrate that opposition without doing the very thing you oppose (standing outside with a sign).

Hedberg’s joke hinges on a literal twist: “picketing” is a form of protest, but the word also evokes “pickets” as in signs or placards. Saying he’s “against picketing” implies opposition to protest tactics, yet he immediately undercuts that stance by admitting he doesn’t know how to demonstrate it—ironically, the standard way to show you’re against something is to picket. The humor comes from the self-canceling logic and from Hedberg’s persona: a deadpan observer who treats idioms and social conventions as if they were puzzles. It also lightly satirizes performative activism by suggesting that even opposition can become a kind of protest.