Oh, Edgar, you and your sister, you've been too kind to me already.

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

You can hear this line at 00:28:02 in the radio play.

Quote context

[...]

- Cathy ran far across the moors after him in the bitter cold, calling his name into the wind.

- Hours later, in the morning, Edgar Linton found her, half-frozen in her silken party dress, unconscious on the crag the children used to call the Castle.

- For weeks after, she was ill. The Lintons took her to their manor house...

- And I was glad, for day by day, the strange influence that Heathcliff had had upon Cathy wore off and she was happy with Edgar.

- Why can't you remain here, forever, Cathy?

- Oh, Edgar, you and your sister, you've been too kind to me already.

- If I can make you happy by just by being kind, that should be enough for me. After all, what else can I give you?

- What else? You've given me a great deal else. You've given me your own self, your strength.

- My strength?

- You'd understand if you really knew what my life was before. It was like the moors, endless and desolate. And I was lost in them, calling for someone in the darkness to save me and nobody answered.

- I couldn't even see the trace of a path. I was so frightened, so terribly alone and...

[...]