You are obviously being totally naive about it.

3 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 6 sitcom.

You can hear this line at 00:25:03.636 in the Blu-ray version of the TV Series.

Quote context

[...]

- Ah, this is futile! 573 committee meetings, you haven't even discovered fire yet!

- If you would care to look at the agenda, you will see that we're having a report from the Hairdressers' Fire Development Subcommittee today.

- That's me.

- That's you? What have you done?

- Well... They gave me a couple of sticks.

- Yes? And?

- Curling tongs? You're going to die out. You know that, don't you?

- You are obviously being totally naive about it.

- Look, when you've been in marketing as long as I have, you'll know that before any new product can be developed, it has to be properly researched.

- I mean, we've got to find out what people want from fire. You know, how they relate to it, the image...

- Stick it up your nose.

- Which is precisely the kind of thing we need to know, I mean, do people want fire that can be fitted nasally?

- And the wheel. What about this wheel thing? They say it's a fascinating project.

- Yeah, well we are having a little difficulty there.

[...]