I tried to tell him, dear, but he wouldn't listen.
3 seconds sound clip from Snagglepuss - Cloak and Stagger (S1E16).
You can hear this line at 00:06:34.252 in the Blu-ray version of the episode.
Quote context
[...]
- Are you gonna cease tryin' to be the king? Well, are ya?
- I'm punishing a spy who would be king, your queenly majesty.
- I tried to tell him, dear, but he wouldn't listen.
- Exit, with egg on my face, stage left.
- All for one, and one for all!
- Huh?
- Hi, fellas. After all, those musketeer lessons cost me a buck and a half.
[...]