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?

- Will it be all right my telling you? It was a big job learning it. The biggest I've ever tackled. I don't want to throw it away, sir.

- It will be quite all right.

- The first feature of the new engine is its greatly increased ratio of compression, represented by the formula 1-1 over r to the power of gamma minus 1, where r represents the ratio of compression and gamma, dimensions of cylinder's diameter.

- This device renders the engine completely... silent. The exhaust gases impinging on a series entirely eliminating all sound.

- 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.

- Memory? Mr. Memory?

[...]