Captain Spock. If you don't hear from us within one hour, your orders are to restore what power you can, take the Enterprise to the nearest starbase and alert Starfleet Command as soon as you're out of jamming range.
14 seconds sound clip from the Star Trek II: The Wrath of Khan movie soundboard.
You can hear this line at 01:07:37 in the Blu-ray version of the movie.
Quote context
[...]
- The situation is grave, Admiral. We won't have main power for six days.
- Auxiliary power has temporarily failed.
- Restoration may be possible in two days, by the book, Admiral.
- Meaning you can't even beam us back?
- Sir, we won't leave you behind.
- If you don't hear from us, there won't be anybody behind. Kirk out.
- Well, gentlemen, you can stay here, or...
- If it's all the same, Admiral, we'd like to share the risk.
[...]