It is an essential object of scientific study if man is to survive the atmosphere on Venus, poisonous to humans.

6 seconds sound clip from the 20 Million Miles to Earth (1957) movie soundboard.

You can hear this line at 00:59:00.980 in the Blu-ray version of the movie.

Quote context

[...]

- In the face of widespread speculation, and after consultation with various foreign governments, the president has authorized release of all information to press and news agencies for their immediate publication.

- The airship XY-21, which crashed into the Mediterranean sea on the 11th, was a single-stage, astro-propelled rocket launched 13 months ago from a site within the United States.

- The rocket, with its complement of 17 men, had landed on the planet Venus.

- Venus?

- The planet Venus?

- Had landed on the planet Venus and was on the return flight to earth when the ship plunged into the sea.

- There was one survivor, Colonel Calder, seated beside me, commander of the expedition.

- Some of you may also have heard the story of a monster now confined here in Rome's zoo. That beast is from Venus.

- It is an essential object of scientific study if man is to survive the atmosphere on Venus, poisonous to humans.

- May we be allowed to see this creature?

- I asked you correspondents to select three of your number to accompany colonel Calder to the zoo.

- Those selected by you will, of course, pool their interviews with the entire press corps, and we will furnish you all necessary photos.

- Well, I guess that's all, and thank you for your patience.

[...]