I tried to find out what was wrong, but she never had an answer except to say that... that something was oppressing her.

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

You can hear this line at 00:22:21 in the Blu-ray version of the movie.

Quote context

[...]

- And every night, Elizabeth would play for me.

- Life was simple, quiet, richly pleasurable, and then the darkness began to fall.

- More and more, entering her room in the mornings, I would find her awake and discover that she had not slept all the night. I tried to find out why, but she had no explanation.

- Her appetite began to fade. She began to lose weight and color. I tried to make her eat, but something kept her from it.

- I would come upon her wandering in the corridors at night.

- I tried to find out what was wrong, but she never had an answer except to say that... that something was oppressing her.

- Oh, God, help me for my blindness. I should have known.

- And then, one day, she disappeared. Frantic, I... I searched the castle for her.

- And then I knew... the castle and its awful history had obsessed her.

- These very instruments of torture, which were my birthright and my curse, now tormented her, as well, infecting her with a kind of haunted fascination.

[...]