I think I'll go for a walk.
3 seconds sound clip from the Monty Python and the Holy Grail movie soundboard.
You can hear this line at 00:08:23 in the Blu-ray version of the movie.
Quote context
[...]
- I can't.
- Can you hang around a couple of minutes? He won't be long.
- Got to go to the Robinsons'. They've lost nine today.
- You're not fooling anyone, you know.
- Look, isn't there something you can do?
- Not at all. See you on Thursday.
[...]