You must return with a shrubbery, or else you will never pass through this wood alive.
10 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.
You can hear this line at 00:46:02 in the Blu-ray version of the movie.
Quote context
[...]
- A what?
- We will find you a shrubbery.
- You must return with a shrubbery, or else you will never pass through this wood alive.
- Knights of Ni, you are just and fair.
- And we will return with a shrubbery.
- One that looks nice. And not too expensive.
- Yes. (4)
- Now go!
[...]