Prepare yourself for a shock.
4 seconds sound clip from the The 39 Steps (1937) classic radio play.
You can hear this line at 00:47:10 in the radio play.
Quote context
[...]
- I beg your pardon, sir. Your face looks familiar. Are you in the cinema?
- Bring me a bottle of ale, will you?
- Did you think I was never coming?
- Not exactly, but I was getting nervous waiting.
- Well, what happened? Did you go to Scotland Yard?
- Yes.
- Well?
- Prepare yourself for a shock.
- But that's incredible. Are you sure?
- Well, that's exactly what they said.
- I don't know what to make of it.
- I think you've been tricked.
- Well, it certainly is all very bewildering.
[...]