One day, while Nicholas was playing in the lower corridor...

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

You can hear this line at 00:25:54 in the Blu-ray version of the movie.

Quote context

[...]

- In not telling you before, he only meant to spare you pain.

- He is a good man, a kind and gentle man, and I know that he adored your sister.

- I would like to believe him, but I find it very difficult to do so. There's something about him I cannot help but sense. A kind of fearful tension that... I'm sorry, but an air of definite guilt.

- Of course he suffers from guilt, because of what our father did, because of what happened to Elizabeth.

- Perhaps it will help you to understand if I tell you something that happened to Nicholas when he was just a boy.

- One day, while Nicholas was playing in the lower corridor...

- He had been forbidden by our father to enter this chamber at any time.

- The curiosity of youth, however, overcame his fear of challenging our father's discipline.

- He had to see the chamber.

- Suddenly there were footsteps. It was our father.

[...]