Is it possible? Is it possible I am doing these things unaware, to punish myself?

— Nicholas Medina, Sebastian Medina (Vincent Price)

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

You can hear this line at 00:44:24 in the Blu-ray version of the movie.

Quote context

[...]

- Both times, you were in Elizabeth's room yourself!

- Both times, your own door was locked, protecting you from discovery.

- No, that's not true! That's not true!

- Why should Nicholas do these things?

- Why?

- Is it possible? Is it possible I am doing these things unaware, to punish myself?

- No, Nicholas! No! One of the servants is responsible, most likely Maria.

- Could I have kept that ring without knowing it?

- Played the harpsichord without knowing it?

- Destroyed Elizabeth's room, all without knowing it?

[...]