"Then what's happened to the missiles?" he said.
A new and astounding image appeared in the mirrors.
"They would appear," said Ford doubtfully, "to have turned into a bowl of petunias and a very surprised looking whale ..."
"At an Improbability Factor," cut in Eddie, who hadn't changed a bit, "of eight million seven hundred and sixty-seven thousand one hundred and twenty-eight to one against."
Zaphod stared at Arthur.
"Did you think of that, Earthman?" he demanded.
"Well," said Arthur, "all I did was ..."
"That's very good thinking you know. Turn on the Improbability Drive for a second without first activating the proofing screens. + Hey kid you just saved our lives, you know that?"
"Oh," said Arthur, "well, it was nothing really ..."
"Was it?" said Zaphod. "Oh well, forget it then. OK, computer, take us in to land."
"But ..."
"I said forget it."
Another thing that got forgotten was the fact that against all probability a sperm whale had suddenly been called into existence several miles above the surface of an alien planet.