- Cathy...
- You're dead, Cathy. May your soul hear this before I go. May you not rest so long as I live on.

17 seconds sound clip from the Wuthering Heights (1939)) classic radio play.

You can hear this line at 00:51:41 in the radio play.

Quote context

[...]

- Oh, how lovely the sky looks.

- And over there is our castle. Remember?

- I'll never forget.

- The Castle... I'll be waiting there until you come. I'll be waiting there. Goodbye.

- Cathy? Cathy? No!

- Heathcliff, they're coming! Master Edgar. Oh, for heaven's sake, go away and...

- Cathy...

- You're dead, Cathy. May your soul hear this before I go. May you not rest so long as I live on.

- I killed you. Then haunt me. Be with me always. Take any form you wish. Only don't leave me where I can't find you.

- I can't live without my life! I can't live without my soul!

- And though that was twenty years ago, I can still hear and see that wild hour.

- Poor Heathcliff holding the dead body of his beloved...

[...]