Who said "The universe is a pretty big place."?

This quote is attributed to Ford Prefect.

The universe is a pretty big place. - Ford Prefect

"The universe is a pretty big place."

Ford Prefect

Character in The Hitchhiker's Guide to the Galaxy

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"I may be a sorry case, but I don't write jokes in base thirteen."

"You know what they call a Quarter Pounder with Cheese in Paris?"

"The answer is a towel."

"Exactly! Between you, me, and that spoon, it's completely governed by the Government!"