If your business is what I think it is, I'm against it.
3 seconds sound clip from Longstreet (1971) - I See, Said The Blind Man sitcom.
You can hear this line at 00:06:31.150 in the Blu-ray version of the TV Series.
Quote context
[...]
- Because I was blind, I was... I was harmless. No threat to him. Well, I resent that.
- I've got some unfinished business. I'll see you.
- If your business is what I think it is, I'm against it.
- Mike, by now, the killer has read the papers.
- Well, then at least he'll have to deal with me, won't he?
- Well, I didn't hear from either of you.
[...]