- I come from your wife. I bring you a request from her.
- What is it?
- A most secret, earnest, pressing entreaty.

6 seconds sound clip from the A Tale of Two Cities (1938) classic radio drama series episode.

You can hear this line at 00:48:24.754 in the radio play.

Quote context

[...]

- Even before their cells are quit of them, new occupants have been appointed.

- Before their blood runs into the blood spilled yesterday, the blood that is to mingle with theirs tomorrow is already set apart.

- Is this the one?

- Yes, this is the one. Go you in alone. I wait outside. Lose no time.

- Good day, Mr. Darnay.

- Carton. Once more we meet.

- Are you a prisoner, too?

- No, I happen to be possessed of a power over one of your keepers here.

- I come from your wife. I bring you a request from her.

- What is it?

- A most secret, earnest, pressing entreaty.

- No time to ask me why I bring it or what it means, I have no time to tell you. You must comply with it.

- Take off these boots you wear and draw on mine. Here's a chair, now, hurry!

- Draw on these boots of mine, put your hands to them, put your will to them, quick!

- There's no escaping from this place. It can never be done. You'll only die with me. It's madness.

[...]