Are you speaking of the worm or the spaghetti?
5 seconds sound clip from the Young Frankenstein (1974) movie soundboard.
You can hear this line at 00:09:59 in the Blu-ray version of the movie.
Quote context
[...]
- That any more than common injury to the nerve root is always serious.
- Are there any questions before we leave?
- Uh, Dr. Frank... Fronkensteen.
- Yes?
- Are you speaking of the worm or the spaghetti?
- Yes, it seems to me I did read something of that incident when I was a student.
- But you have to remember that a worm with very few exceptions is not a human being.
- But wasn't that the whole basis of your grandfather's work, sir? The reanimation of dead tissue?
- My grandfather was a very sick man.
[...]