He is up to something.
1 seconds sound clip from the The Secret of NIMH (1982) movie soundboard.
You can hear this line at 00:44:39.260 in the Blu-ray version of the movie.
Quote context
[...]
- Mrs. Brisby. A thousand pardons, my dear. Forgive the ill temper of my colleague.
- It would be an honor to assist Jonathan's widow in any way.
- We are but your humble servants.
- Motion has been moved and seconded. Those in favor make a show of hands.
- Take Mrs. Brisby to the library. We'll approach Nicodemus when the meeting is over.
- Okay, now. Wait a minute. This isn't what you think. You don't understand what I'm doing here.
- Think you can come snooping about, looting and pilfering just when everyone's away.
[...]