Then out of the sky came a solution: Seeds drifting through space for years took root in a farmer's field.
7 seconds sound clip from the Invasion of the Body Snatchers (1956) movie soundboard.
You can hear this line at 00:59:22.728 in the Blu-ray version of the movie.
Quote context
[...]
- We can't let you go. You're dangerous to us.
- Don't fight it, Miles, it's no use. Sooner or later you'll have to go to sleep.
- I'll wait for you in the hall.
- Less than a month ago, Santa Mira was like any other town: people with nothing but problems.
- So that's how it began: out of the sky.
- Your new bodies are growing in there. They're taking you over cell for cell atom for atom.
- Exactly.
[...]