One step too far... and we are done.
5 seconds sound clip from the The Black Hole (1979) movie soundboard.
You can hear this line at 00:30:27.460 in the Blu-ray version of the movie.
Quote context
[...]
- We won't impose on your hospitality. Just long enough to repair our ship.
- And then we can offer you the means of returning to Earth.
- What makes you think I want to return?
- The Cygnus is in danger of being destroyed here.
- Your captain was worried about that too.
- One step too far... and we are done.
- But there's no cause for alarm. We developed anti-gravity forces to maintain our position.
- It's what you might call a Mexican standoff.
- If you were monitoring us, you must've picked up our signals.
- Did I have to reply? Charlie, Charlie?
[...]