Who are you? How dare you come in like this? How dare you write on that blackboard?
9 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:18:45 in the radio play.
Quote context
[...]
- He'll never get the answer that way. Let's see...
- Hey, it says, 'Don't erase, don't touch'!
- You must be an arithmetic teacher, I bet.
- 'Differentiate - the - equation.' There.
- Who are you? How dare you come in like this? How dare you write on that blackboard?
- Do you realize the professor's been working on that problem for weeks?
- He'll solve it in no time now.
- We came to see Professor Barnhardt.
- Well, he's not here. And he won't be back until evening. I think you'd better leave.
- Will you tell him that Mr. Carpenter was here? Sixteen Fifteen M Street, Northwest.
[...]