You mean there are certain things nice girls don't do, even if it means that man's millions of years of struggle up from the sea, the slime, the fight to breathe air, to stand erect, to think, to conquer nature...
12 seconds sound clip from the Robot Monster (1953) movie soundboard.
You can hear this line at 00:36:43.910 in the Blu-ray version of the movie.
Quote context
[...]
- Do you realize what you're doing?
- If there's a chance I can strike a better bargain than Father, then I'm the one to go.
- Is Alice gonna have a date with Ro-Man?
- Roy, you have to speak to her.
- I know I'm not in the family, Alice, but your father's right.
- Even if all this is stopped cold by a doting father and a jealous suitor?
- I just don't happen to believe that any human being should degrade himself in order to survive.
- You'd rather just have us go out of business, is that it? Letter returned, no forwarding address?
- Can't you see you're being sentimental idiots, letting your emotions run away with you?
[...]