(Jayne is tearing up the medical bay)
Kaylee: Now, this would be the perfect time for a swear word.
Simon: What… happened in here?
Jayne: Needed to find some tape.
Simon: So you had to tear my infirmary apart?
Simon: My god — you’re like a trained ape. Without the training.
Firefly — Episode 7 — “Jaynestown”