- Remember what the journal said about the worm?
- Yeah, that a knife passed through it like water.

6 seconds sound clip from the Attack of the Crab Monsters (1957) movie soundboard.

You can hear this line at 00:40:42.072 in the DVD version of the movie.

Quote context

[...]

- We shall need the equipment.

- We must go. We have to find out.

- We are here! Show yourself!

- I killed it.

- Yes.

- By the sheerest luck.

- Why didn't the grenades hurt it?

- Remember what the journal said about the worm?

- Yeah, that a knife passed through it like water.

- The stone penetrated its brain or motor area, or whatever keeps the thing alive.

- I think if we remove the stone, the crab would return to life.

- Well, let's just leave it be, huh?

- We will bury it.

- If a blade passes through it like a finger through mercury, then like a river of mercury, we should be able to sever a part of it by completely separating it from the rest of the body. Firstly...

[...]