Your father's a scientist. He's discovered more about preserving food than any man living. And Jack and I were employed to help him.

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

You can hear this line at 00:10:19.347 in the Blu-ray version of the movie.

Quote context

[...]

- He was so strange those last few days before he went... So excited and strung up. And yet he wouldn't say a word to explain.

- I've never seen him like it before.

- He was always so keen to tell me about his experiments.

- He meddled in things men should leave alone.

- What do you mean?

- Your father's a scientist. He's discovered more about preserving food than any man living. And Jack and I were employed to help him.

- That's a plain, straightforward job. It's not romantic, but it saves hundreds of deaths and thousands of stomach aches.

- What did you mean about things men should leave alone?

- He worked in secret. He kept a lot of stuff locked in a cupboard in his laboratory. He never opened that cupboard until he'd barred the door and drawn the blinds.

- Straightforward scientists have no need for barred doors and drawn blinds.

[...]