- And you know I can fight.
- Oh, don't you worry about that.
- Don't be lying to me.
- I wouldn't lie to you.

4 seconds sound clip from the The Greatest (1977) movie soundboard.

You can hear this line at 00:20:49.799 in the Blu-ray version of the movie.

Quote context

[...]

- Oh, man, you made me miss the woman. She's gone.

- Man, I did you a good favor, brother.

- Did me a favor?

- That's worse than dope and alcohol. That white woman, that's man's trick. That's worse than alcohol.

- Man, you're crazy. This pretty white woman?

- I'm not kidding, brother.

- That's right, brother.

- That woman's gone.

- Have you ever heard of Malcolm X?

- Yeah, I heard of Malcolm X. He's right over here at the mosque right now, and I want to invite you over.

- No Malcolm X over here, man.

- Now, would I lie to you?

- Malcolm X out here in the ghetto?

- In the ghetto. He's right over here. Would I lie to you?

- Do you know who I am?

- Yeah, I know who you are.

- What's my name?

- You're Cassius Clay.

- And you know I can fight.

- Oh, don't you worry about that.

- Don't be lying to me.

- I wouldn't lie to you.

- I need two minutes of your time. That's all.

- I ain't gonna stay for two minutes.

- That's all it's gonna take is two minutes of your time.

- Malcolm X is over here?

- Right now. Right now. I wouldn't lie to you.

- Right.

- All right?

- He's a devil. Every time you see a white man, think about the devil, and you'll see him.

- Think of how it is on your slave fore-parents' bloody, sweaty backs, that he built this empire.

- That's right!

[...]