Don't believe that bullshit about niggers being invisible.
3 seconds sound clip from the Black Belt Jones (1974) movie soundboard.
You can hear this line at 00:08:35.017 in the Blu-ray version of the movie.
Quote context
[...]
- Those other two are governors.
- So heavy, he could get those tanks turned on us.
- You know what? You ought to write comedies for television.
- Mm-hm, that's really cute, but can it be done?
- I mean, won't you even give it a try?
- Don't believe that bullshit about niggers being invisible.
- Mr. Secretary, I think he'll do it.
- So, I hear you put that rat, Ellis, on a permanent liquid diet?
- Hey, I don't want you ever to talk about that double-crosser. He was a man without honor.
- Now, tell me about the problem.
- There's still great secrecy. I had to call on many favors to get the information, but I got it.
[...]