- You are an unyielding man.
- I am forced to be, sir.

7 seconds sound clip from the The Pit and the Pendulum (1961) movie soundboard.

You can hear this line at 00:12:36 in the Blu-ray version of the movie.

Quote context

[...]

- I did it all for her. I wanted her to have something that...

- Maria.

- I beg your pardon, sir. I was just cleaning up.

- Oh, yes. Yes, of course. You may go now.

- Is this all you meant to tell me?

- You are an unyielding man.

- I am forced to be, sir.

- God is my witness, I worshipped your sister. I worship her still. Without her, life is meaningless.

- She was the very substance of loveliness. I tried to capture it, but it was the way she walked and moved, her smile, her voice.

- She sang like an angel. And she could play the harpsichord as no other woman I have ever known could play it.

- Every night, after we had dined, she would play for me.

[...]