You must leave it to me and Kemp. We shall work day and night to undo this terrible experiment.

5 seconds sound clip from the The Invisible Man (1933) movie soundboard.

You can hear this line at 00:44:45.233 in the Blu-ray version of the movie.

Quote context

[...]

- The paper says it's gonna be frosty in a day or two. Well, you watch out when it's frosty, then you can see his breath.

- Police, quickly. Is this the police? This is Dr. Kemp.

- The Invisible Man is in my house, asleep upstairs. Come at once. Hurry!

- Listen, Doctor, I've only got five men here. I'll want a hundred to surround the house.

- Yes, all right, I'll send them up as soon as possible.

- You must leave it to me and Kemp. We shall work day and night to undo this terrible experiment.

- You must let me go to him.

- Only when he's well again.

- No, now.

- I can do far more with Jack than you or Dr. Kemp.

- But he's not normal. His mind's unhinged. At present, he's mad.

- I can persuade him to help you. You're powerless unless he does.

[...]