Think of a thousand such creatures... ten thousand.
5 seconds sound clip from the The Thing from Another World movie soundboard.
You can hear this line at 01:06:33 in the Blu-ray version of the movie.
Quote context
[...]
- I'll repeat it for you. We're facing something unpredictably dangerous.
- The creature in the greenhouse is obviously multiplying itself in this identical fashion.
- And we have no way of finding out how much it can multiply.
- It'll need more blood and it'll make every effort to obtain what it needs.
- It's been imprisoned and is, therefore, harmless.
- How you can be sure of our safety or, more important, the safety of the world?
- Think of a thousand such creatures... ten thousand.
- Yes, it must be destroyed, this progeny along with it.
- No!
- What about that thing in the greenhouse?
- You're talking like frightened schoolboys.
- You're right, doctor. I am frightened.
- Any destruction would be an outrage, a betrayal of science.
[...]