The lake is much older than the house, of course.
3 seconds sound clip from the Shadowlands movie soundboard.
You can hear this line at 00:30:54.937 in the Blu-ray version of the movie.
Quote context
[...]
- Sun's well over the yardarm.
- I mean, he'd like to be home for Christmas, but, well, it just hasn't worked out that way.
- What are you doing for Christmas?
- Some lucky English hotel, I expect.
- So your husband will have to look after himself. Is that it?
- Yes, he's pretty good at that.
- The lake is much older than the house, of course.
- They say Shelley used to sail paper boats here.
- All made out of early drafts of his poems, no doubt.
- I don't like to think of you Christmassing in a hotel. Why don't you come here? You're very welcome.
- Oh, no. You don't want a couple of Yankees rampaging all over your house.
- Well, I'd speak to Warnie, of course, but... Why don't we go inside?
[...]