Perhaps you'd better let him speak for himself.
3 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 5 sitcom.
You can hear this line at 00:11:04.636 in the Blu-ray version of the episode.
Quote context
[...]
- Kid.
- Yeah?
- Beat it!
- I'm the guy that's telling you to beat it before it gets beaten for you.
- Now, listen, I am one of Hotblack's oldest friends and I...
- Mr Desiato speaks to no-one.
- Perhaps you'd better let him speak for himself.
- Oh. Why? What's the matter with him?
- Well, hi there, Ford. Did you talk to your big noise friend?
[...]