Just keep going straight up there, and turn left at the first crossroads.
7 seconds sound clip from the The Remains of the Day movie soundboard.
You can hear this line at 01:22:44 in the Blu-ray version of the movie.
Quote context
[...]
- I was his butler. I was there to serve him. Not to agree or disagree.
- I see.
- Well, thank you that you've been most kind. Thank you.
- Just keep going straight up there, and turn left at the first crossroads.
- I say, I don't want to be a bore, but I'm intrigued. I mean, where do you stand on all that?
- Well, thank you, sir. I'm most grateful for your help.
[...]