Professor, what do we know about them?
6 seconds sound clip from the Mars Attacks! (1996) movie soundboard.
You can hear this line at 00:04:56 in the Blu-ray version of the movie.
Quote context
[...]
- General Casey, do you have an opinion?
- Well, sir, do we know they're hostile?
- What do you mean, do we know they're hostile?
- They have our planet surrounded with thousands of warships.
- Do we know they're warships?
- Professor, what do we know about them?
- An advanced civilization is, by definition, not barbaric.
- Mr. President, this is a great day.
- I and all my colleagues are extremely excited. Good.
[...]