(a group of rich, mean girls have been teasing Kaylee over her store-bought dress)

Murphy: Why Banning Miller. What a vision you are in your fine dress. It must have taken a dozen slaves a dozen days to get you into that getup. ‘Course your daddy tells me it takes the space of a schoolboy’s wink to get you out of it again.

(the rich girls storm off)

Murphy: (to Kaylee) Forgive my rudeness. I cannot abide useless people.

Firefly – Episode 4 – “Shindig”