I know all about Harry. You don't have to tell me.

2 seconds sound clip from the Shockproof (1949) movie soundboard.

You can hear this line at 00:05:13.957 in the Blu-ray version of the movie.

Quote context

[...]

- How long does that go on?

- Well, if you behave, you can get your release in a couple of years.

- Remember him?

- If I try hard enough. Well, try hard to forget. He's dead. I mean dead as far as you're concerned. He's got a bad reputation.

- Oh. Yes, sir.

- Now listen, this is important in your case.

- You may not associate with or correspond with, or make any contact with any individual of known bad reputation, or any present or former inmate of a penal institution...

- I know all about Harry. You don't have to tell me.

- He's never landed in the pen, but he's come close a dozen times.

- Now, I'm telling you he's the wrong sort for you. And my orders are to stay away.

- Disobeying my orders means you break parole. Breaking parole means you go back to jail. Is that clear?

- Yes, sir.

- Well, you see, I'm the teacher. You're the pupil.

- Sure. I'm the one who gets spanked.

[...]