It will be quite all right.
4 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:51:32 in the radio play.
Quote context
[...]
- Did they get the man who shot him?
- We got him, all right. He'll hang for it too.
- Mr. Memory? Mr. Memory, can you hear me?
- Yes.
- Mr. Memory, there's something I'd like you to tell us, please.
- Yes?
- What was the secret formula you were taking abroad?
- Am I right? Am I right, sir?
- That's quite right, old chap.
- Thank you, sir. I'm glad it's off my mind. At last.
[...]