- But I tell you, I saw a ship.
- You saw something that looked like a ship. You can't prove it, John.

5 seconds sound clip from the It Came from Outer Space movie soundboard.

You can hear this line at 00:22:56.384 in the Blu-ray version of the movie.

Quote context

[...]

- I wouldn't have missed it for anything.

- How long you been here?

- About an hour.

- Oh, you've just gotten started then.

- Well, hardly. I've seen enough.

- But you do believe me?

- Look, John, last night you saw a meteor fall to earth. That much has been substantiated by witnesses.

- The presence of the crater itself, its formation and characteristics, all support the theory that it was a meteor.

- But I tell you, I saw a ship.

- You saw something that looked like a ship. You can't prove it, John.

- I can prove it if I can get you to help me dig it out of there.

- I can't in good faith ask the University to do it.

- We'd dig for months, and spend thousands, and maybe all we'd find would be these.

- Look, note the black coloring, characteristic of the meteor. The fusion from heat, the nickel and the iron. Facts, John. Facts.

[...]