Silly question. Didn't you study six-dimensional geometry at school? Do they not teach anything anymore?

— (Peter O’Toole)

7 seconds sound clip from the Supergirl (1984) movie soundboard.

You can hear this line at 00:04:33 in the Blu-ray version of the movie.

Quote context

[...]

- But you'd never leave us, Zaltar. You'd never leave Argo City.

- Indeed, I might, Kara.

- Too much of a good thing here.

- Perhaps I'll try Saturn instead. Yes, I think I might.

- Saturn is is that further away than Earth?

- Silly question. Didn't you study six-dimensional geometry at school? Do they not teach anything anymore?

- Well, of course they do. I know the equations. I just can't see them in my head.

- Most great artists find mathematics troublesome. Only use your imagination.

- Saturn and Earth are in outer space, but we, we are in inner space.

- Our city has two great power sources. This is one of them. Look.

[...]