There was a terrible ghastly silence.

Only one man stood and watched the sky, stood with terrible sadness in his eyes and rubber bungs in his ears. He knew exactly what was happening and had known ever since his Sub-Etha Sens-O-Matic had started winking in the dead of night beside his pillow and wakened him with a start. It was what he had waited for all these years, but when he had deciphered the signal pattern sitting alone in his small dark room a coldness had gripped him and squeezed his heart. Of all the races in all of the Galaxy who could have come and said a big hello to planet Earth, he thought, didn't it just have to be the Vogons. [33-34]

Adams, Douglas. The Hitchhiker's Guide to the Galaxy. Harmony Books, 2004. ISBN: 1400052920.