Then how can I do it if my time is to be occupied by answering stupid questions?

4 seconds sound clip from Superman (1948) - Between Two Fire (Chapter 10).

You can hear this line at 00:10:15.744 in the Blu-ray version of the episode.

Quote context

[...]

- Jimmy hasn't phoned in anything on the Reducer Ray story.

- I can't even locate him at the university.

- Well, maybe he's running down an angle somewhere else.

- But he should've phoned in an hour ago.

- What are you doing?

- This is an experiment. We're testing.

- Testing for what?

- I was ordered to make a duplicate of my Reducer Ray machine, was I not?

- Yeah, that's right, but...

- Then how can I do it if my time is to be occupied by answering stupid questions?

- I guess you're right. Go ahead.

- You better come with me, junior. The doctor's a very busy man.

- Why did you bring him in here?

- I don't want anyone getting too chummy with smart boy.

[...]