You must realize, man, we've found the main nerve.
5 seconds sound clip from the Fear and Loathing in Las Vegas movie soundboard.
You can hear this line at 00:36:10 in the Blu-ray version of the movie.
Quote context
[...]
- I hate to say this, but this place is getting to me. I think I'm getting the fear.
- You must realize, man, we've found the main nerve.
- That's what gives me the fear.
- What?
- There's, uh, two women fucking a polar bear.
- Don't tell me those things. Not now, man.
- How much money can you lend me?
[...]