The atmosphere is one of terrific tension rather than of fear. It's been that way for...

7 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.

You can hear this line at 00:05:36 in the radio play.

Quote context

[...]

- We still do not know where it came from.

- The ship is now resting exactly where it landed two hours ago.

- So far there is no sign of life from inside the ship.

- Behind the cordon of troops, tanks, and artillery is a huge crowd of curiosity seekers.

- Every eye, every weapon, is trained on the ship.

- The atmosphere is one of terrific tension rather than of fear. It's been that way for...

- Just a minute, ladies and gentlemen! I think something's happening! The spaceship is opening up! Someone is coming out!

- Keep calm, everybody! Don't get excited! Keep calm! Quiet!

- A wedge is opened in the smooth unbroken metal skin of the spaceship.

- A ramp slithers out on the grass.

[...]