Unless you bring back the singing sword, you will be put to the rack, burned at the stake, and beheaded.
13 seconds sound clip from the Looney, Looney, Looney Bugs Bunny Movie movie soundboard.
You can hear this line at 00:01:30 in the DVD version of the movie.
Quote context
[...]
- Hath the knights of the Round Table turned chicken?
- Yuk yuk yuk yuk yuk! Yuk yuk yuk! Only a fool would go after the singing sword.
- Wha...?
[...]