Brother, I've had some tough nuts to crack in my time. Thanks. But nothing like this.

7 seconds sound clip from the Fiend Without a Face (1958) movie soundboard.

You can hear this line at 00:03:53.867 in the Blu-ray version of the movie.

Quote context

[...]

- We've gotta figure out where that power fade comes from. Okay, I'll see you later. Bye.

- You ever think of trying sleep instead of Benzedrine? You know, you might like it.

- Brother, I've had some tough nuts to crack in my time. Thanks. But nothing like this.

- And to top it off, this guy has to go and get himself killed right outside the base.

- If he was killed.

- What do you mean?

- Well, he could have died from natural causes, you know.

- That's a switch coming from a base security man. You fellows are usually suspicious of everything.

- Here's the sentry's reports, and, uh, this just came in from the FBI. That's what they have on the dead man Griselle.

- Oh, yeah?

- Jacques Griselle, 35. French Canadian. Graduated Toronto University. Specialized in scientific farming. Good war record. Born in Toronto. Went north for farming after the war.

[...]