The visor of his helmet was opening on that cosmic incandescence within, seething with world ruin, aiming impassively at Helen.
9 seconds sound clip from the The Day the Earth Stood Still (1954) classic radio play.
You can hear this line at 00:48:06 in the radio play.
Quote context
[...]
- When Helen Benson stumbled up to the shed that housed the space machine, the guards were not there.
- Then she saw them. They were lying inside, their rifles fused and bent.
- Gort somehow knew that Klaatu was dead.
- Gort was already on the move. He was on the move toward Helen.
- Gort! Gort! Klaatu... Klaatu barada... barada nikto.
[...]