I think I've found a way out. Deep breath.
6 seconds sound clip from the Indiana Jones and the Last Crusade movie soundboard.
You can hear this line at 00:36:24 in the Blu-ray version of the movie.
Quote context
[...]
- He never would have made it past the rats. He hates rats. He's scared to death of them.
- Get back! Back against the wall.
- Quick! Under it! Air pocket!
- I think I've found a way out. Deep breath.
- Are you crazy? Don't go between them!
- Go between them? Are you crazy?
- I said, don't go between them!
- No!
- Why are you trying to kill us?
- Because you're looking for the Holy Grail.
[...]