What makes it doubly important that I shouldn't let you go is that I am just about to transfer some very vital information out of the country.
10 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:23:10 in the radio play.
Quote context
[...]
- Good Lord. Then you're...? You're the one she...?
- The one she was trying to warn you against. The chief.
- You misunderstood her. She meant for you to kill me, not to bring me information.
- Yes. Well, what are we going to do about it?
- Ah, that's just the point. What are we going to do?
- What?
- Oh, yes. I've got it already.
- I'm afraid poor Annabella would have been too late in any case.
- Well. That's that, I suppose.
- Yes.
- It seems to me there's only one way out.
- I've a small revolver here. Pretty little thing, isn't it? Supposing I left you alone with this?
[...]