There are three basic types: the wills, the won'ts and the can'ts. The wills accomplish everything, the won'ts oppose everything and the can'ts won't try anything.

— VINCENT LF-396 (Roddy Mcdowall)

8 seconds sound clip from the The Black Hole (1979) movie soundboard.

You can hear this line at 00:42:46.531 in the Blu-ray version of the movie.

Quote context

[...]

- Shall we discuss that over dinner?

- It's only dinner.

- Said the spider to the fly. I should be with you.

- Yeah, we'll be safer without you and Max trying to knock heads.

- I can handle that thing.

- Well, far be it from you to admit there isn't anything you can't handle.

- There are three basic types: the wills, the won'ts and the can'ts. The wills accomplish everything, the won'ts oppose everything and the can'ts won't try anything.

- Well, do us all a favour, Vincent, and try to be a can't... Especially where that monster's concerned.

- We need you, not another corkscrew.

- Hey, hey, hey. Look at that.

- Vincent, you're gonna have the time of your life in there.

[...]