Our mission was to another world. You must believe me. Only an error dragged us toward Earth.
10 seconds sound clip from the It Came from Outer Space movie soundboard.
You can hear this line at 00:58:31.925 in the Blu-ray version of the movie.
Quote context
[...]
- Had you fallen on our world, it might have been different. We understand more.
- All I understand is that you've taken my friends captive. And now the girl.
- We hold her hostage, as well as the others.
- Keep your people away, or we will destroy them.
- How do I know that your whole mission here isn't to destroy all of us?
- Our mission was to another world. You must believe me. Only an error dragged us toward Earth.
- Very well, then. You asked to see this. So you shall.
[...]