Re: Firefly first-time/rewatch (NO SPOILERS, please)
ETA: Doesn't Baldwin use the 'I was aiming for his head' gag. I'm sure I've heard that before, but did Whedon originate it?
Whedon didn't originate the line, because the whole joke - and variations of it - has been used for quite awhile:
"Those who promote peace have joy."
- Proverbs 12:20