Snakes don't walk. They slither. Hmph. So there.
7 seconds sound clip from the Robin Hood (1973) movie soundboard.
You can hear this line at 00:09:02 in the Blu-ray version of the movie.
Quote context
[...]
- Well, I was only trying to help.
- Now look here. One more hiss out of you... Hiss, and you are walking to Nottingham.
- Snakes don't walk. They slither. Hmph. So there.
- Now what about that for luck?
- Peanuts? Why, you dunce. That's the royal coach.
[...]