Quem paenitet peccasse paene est innocens.

— Hjalmar Poelzig (Boris Karloff)

4 seconds sound clip from the The Black Cat (1934) movie soundboard.

You can hear this line at 00:56:02.576 in the Blu-ray version of the movie.

Quote context

[...]

- Amissum quod nescitur non amittitur.

- Brutum fulmen.

- Cum grano salis. (2)

- Fortis cadere, cedere non potest. (2)

- Fructus non folis arborem est, credit ceteros.

- Quem paenitet peccasse paene est innocens.

- Stop struggling, little fool. There is a way out. Come, this way.

- Peter, where did he go?

- Never mind him.

- But you will be dead soon if you do not come quickly.

- And Karen?

- Karen is dead.

- No, I mean Karen, your daughter.

[...]