The meeting's already in progress.
2 seconds sound clip from the The Secret of NIMH (1982) movie soundboard.
You can hear this line at 00:40:43.733 in the Blu-ray version of the movie.
Quote context
[...]
- Ah... It's the most beautiful sight I've ever seen.
- Okay, okay. Just a joke. I didn't mean any harm.
- The meeting's already in progress.
- Yes, yes. She can be trusted. This is no stranger.
- My dear, may I present Justin, the Captain of the Guard. Justin, Mrs. Brisby.
- It is an honor and a privilege, my lady.
[...]