Oh. Go on, please.
4 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:09:02 in the radio play.
Quote context
[...]
- There were two men in that theatre - who wanted to kill me. No, you've got to believe me.
- But why should anyone want to kill you?
- Because I'm what you would call a professional spy.
- I suppose you're here to dig up some big state secret.
- No. I'm here to save a secret. For England.
- You still don't believe me, do you?
- All right. I'll play your game a bit further.
[...]