There's always hope. You should know that, sir.
4 seconds sound clip from the Batman (1966) movie soundboard.
You can hear this line at 01:36:55 in the Blu-ray version of the movie.
Quote context
[...]
- Bat centrifuge at 32000 RPM's.
- Increase angstrom force in vector X. Vector X up one notch.
- What progress, Batman? Is there hope?
- There's always hope. You should know that, sir.
- Of course, of course. But...
- With all modesty... if we can't, heaven knows who can.
- Truer words were never spoken.
- Howdy, y'all. How are those boys doin' up there?
[...]