- The Martians can conquer the Earth in six days.
- The same number of days it took to create it.

9 seconds sound clip from the The War of the Worlds (1953) movie soundboard.

You can hear this line at 01:01:37 in the DVD version of the movie.

Quote context

[...]

- Which means that these tape recordings I'm making are for the sake of future history... if any.

- Future history, he said.

- Yes, if any.

(FLYING WING PLANE NOISE)

- Bilderbeck has calculated how long we have got until Martians take over the entire world.

- If the A-bomb fails, that is.

- The Martians can conquer the Earth in six days.

- The same number of days it took to create it.

- Attention, please. Two minutes to bomb time. Prepare to take shelter.

- If you have no goggles, turn away. Remember, the heat flash and compression that follow are dangerous.

(FLYING WING PLANE NOISE) (2)

- Fifty seconds.

[...]