Jayne: Captain, can you stop her from bein' cheerful, please? Mal: I don't believe there is a power in the 'verse that can stop Kaylee from being cheerful. Sometimes you just wanna duct tape her mouth and dump her in the hold for a month.
'Serenity'
The Quotable Firefly: Oh, my God, I am a hack...
[NAFDA] "Like more than one ex-nerd of my acquaintance, Whedon compulsively peppers his speech with self-deprecating asides: "Oh, my God, I am a hack," he moans as we watch Fillion, his thumbs hooked in the belt loops of his skintight slacks, swagger back onto the ship's bridge. But like his show's hero, Whedon exudes confidence."