The word 'impossible' is only found in a dictionary of fools.

— Dr. Hans Reinhardt (Maximilian Schell)

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

You can hear this line at 00:47:02.066 in the Blu-ray version of the movie.

Quote context

[...]

- The only earth people to know of my existence.

- And to you, sir, and your magnificent accomplishments.

- Tonight, my friends, we stand on the brink of a feat unparalleled in space exploration.

- If the data on my returning probe ship matches my computerized calculations, I will travel where no man has dared to go.

- Into the black hole?

- In... through... and beyond.

- Why, that's crazy. Ha! Impossible!

- The word 'impossible' is only found in a dictionary of fools.

- Are there any more like us left on board?

- I'm the last one. These upstarts think I'm some old freak.

- They still haven't improved on our model. Oh, you can't modify perfection. We are the best.

- Oh, lordy. He wants a rematch.

[...]