You don't know what your civilized people will do to cling to life. I do, because I know I'd cling if I had to kill to do it. And so will you.

— Sydney Stanton (John Hoyt)

8 seconds sound clip from the When Worlds Collide (1951) movie soundboard.

You can hear this line at 00:36:16.224 in the Blu-ray version of the movie.

Quote context

[...]

- I brought enough rifles to stop a small army.

- There won't be any panic in this camp.

- Stop theorizing. Once the havoc is over, every mother's son remaining alive will try to get here and climb aboard our ship.

- People are more civilized than that. They know only a handful can make the flight.

- You've spent too much time with the stars. You don't know anything about living, the law of the jungle, the human jungle. I do. I've spent my life at it.

- You don't know what your civilized people will do to cling to life. I do, because I know I'd cling if I had to kill to do it. And so will you.

- We're the lucky ones, the handful with a chance to reach another world.

- And we'll use those guns. You'll use them, Doctor, to keep your only chance to stay alive.

- Ferris. Ferris!

- There can be no question that some crisis impends.

[...]