But we must be off first thing in the morning.
2 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:14:08.081 in the Blu-ray version of the movie.
Quote context
[...]
- But I have to get back to the troops.
- That battery near the beach, you planned to inspect it in the morning.
- You could do it on the way back and save time.
- I could do that before the troops break camp.
- Fine. I'm honored to have you, and we'll try to make you comfortable.
- But we must be off first thing in the morning.
- Our house welcomes you, master soldier. You stay to guard us.
- Good night, my dear. Sleep well.
[...]