A barking dog never bites.
4 seconds sound clip from the The Sin of Harold Diddlebock movie soundboard.
You can hear this line at 00:26:54 in the DVD version of the movie.
Quote context
[...]
- No, I tell you, I have never in my whole life...
- You're never too old to learn.
- You can't teach an old dog new tricks.
- Every dog is entitled to one bite.
- He who sleepeth with dogs riseth with fleas.
- Now wait a minute. How about a little wine for thy stomach's sake. That's from the good book.
- Lips that touch liquor shall never touch mine.
[...]