I am a mite too old to be chasin' mice.
3 seconds sound clip from the The Rescuers (1977) movie soundboard.
You can hear this line at 00:15:38.280 in the Blu-ray version of the movie.
Quote context
[...]
- Well, maybe she's been adopted.
- No, because she would have taken these things with her.
- Mice!
- Cat!
- If folks find out that mice moved in here, I'll get kicked out, lose my job.
- Oh, don't worry, Mr. Cat. We won't be here long.
- I am a mite too old to be chasin' mice.
- Sir, could you tell us what happened to a little girl named Penny?
- But you ain't gonna find her around here. See, poor little thing ran away.
- When was the last time you saw Penny?
- Was there anything unusual? Try to remember.
- Let's see, now. The last time I saw her, she was sittin' over there on her bed all alone.
[...]