Isn't it true that Darwin preserved a piece of vermicelli in a glass case until by some extraordinary means it actually began to move with a voluntary motion?

13 seconds sound clip from the Young Frankenstein (1974) movie soundboard.

You can hear this line at 00:09:48 in the Blu-ray version of the movie.

Quote context

[...]

- Give him an extra dollar.

- Extra dollar. Yes, sir.

- That any more than common injury to the nerve root is always serious.

- Because once a nerve fiber is severed, there is no way in heaven or on earth to regenerate life back into it.

- Are there any questions before we leave?

- Uh, Dr. Frank... Fronkensteen.

- Yes?

- Isn't it true that Darwin preserved a piece of vermicelli in a glass case until by some extraordinary means it actually began to move with a voluntary motion?

- Are you speaking of the worm or the spaghetti?

- Why, the worm, sir.

- 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.

[...]