Helen knows. She knows the moment she stops struggling, he will give her back her strength to come to him.

6 seconds sound clip from the The Mummy (1932) movie soundboard.

You can hear this line at 00:59:53.800 in the Blu-ray version of the movie.

Quote context

[...]

- Don't scold me. Just feminine vanity. I wanted to look my best again.

- So you know more than I realized you knew.

- What do you mean?

- These impulses to go to him. The pull is too strong to withstand and live.

- I'm so glad you understand.

- Helen knows. She knows the moment she stops struggling, he will give her back her strength to come to him.

- But I don't want to lose my own mind, and be someone else, someone I hate.

- My dear, while you were growing worse, we tried to find him and failed.

- The next time the call comes, go to him.

- What can we do now?

- We can do no more. Ardeth has beaten me.

[...]