Sir, about our conversation earlier this evening, I believe I'd better apologize.

7 seconds sound clip from the McLintock! (1963) movie soundboard.

You can hear this line at 01:25:12 in the Blu-ray version of the movie.

Quote context

[...]

- This is the time, this is the place...

- For you're Just right for me!

(Katherine hand clapping)

- Well, it's so good, I kind of hate to break this up...

- But we're going to have that Indian hearing tomorrow morning.

- Sir, about our conversation earlier this evening, I believe I'd better apologize.

- Yeah? (3)

- Yes, sir, I've been thinking it over, and when I called you a reactionary, well, that's merely my generation's term for your generation.

- Nothing personal, you understand.

- Oh, really?

[...]