You should have stayed in London, my friend.
6 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:24:01 in the radio play.
Quote context
[...]
- 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?
- The newspapers could then announce tomorrow morning that the murderer had taken his own life.
- Yes.
- Then I'm afraid you leave me no alternative.
- You should have stayed in London, my friend.
- Oh, George? George? I want your help, please. There's a little job for us, inside.
- Hannay?
- I'm sorry, sir, but there's no one here.
- What?
- Well, you can see for yourself.
- But I... I shot him! The body was lying there on the floor.
[...]