One which they actually seemed to hope might somehow free them once and for all from any dependence on physical instrumentalities.
10 seconds sound clip from the Forbidden Planet (1956) movie soundboard.
You can hear this line at 00:58:03 in the Blu-ray version of the movie.
Quote context
[...]
- And yet you came back for a second go at it.
- It was a question of science, doctor.
- Otherwise, my researches here would've come to nothing... poor as they have been.
- A civilization without instrumentalities?
- Everything here is new. Not a sign of age or wear on any of it.
- Two thousand centuries. And during all this time, what was the power source?
[...]