For this I will never be able to thank you enough.
3 seconds sound clip from the Isle of the Dead (1945) movie soundboard.
You can hear this line at 00:15:12.212 in the Blu-ray version of the movie.
Quote context
[...]
- Our house welcomes you, master soldier. You stay to guard us.
- Good night, my dear. Sleep well.
- Take good care of her, Thea.
- She is just an old woman. Odd, perhaps, but harmless.
- For this I will never be able to thank you enough.
- Only General Pherides, the old watchdog of his country would turn a bedroom into a barracks.
[...]