“Marvin was humming ironically because he hated humans so much.”

“Marvin started his ironical humming again. Zaphod hit him and he shut up.”

“Simple. I got very bored and depressed, so I went and plugged myself in to its external computer feed. I talked to the computer at great length and explained my view of the Universe to it," said Marvin."And what happened?" pressed Ford."It committed suicide," said Marvin and stalked off back to the Heart of Gold.”

“Marvin trudged on down the corridor, still moaning. "...and then of course I've got this terrible pain in all the diodes down my left hand side...""No?" said Arthur grimly as he walked along beside him. "Really?""Oh yes," said Marvin, "I mean I've asked for them to be replaced but no one ever listens.""I can imagine.”

“Life,” said Marvin dolefully, “loathe it or ignore it, you can’t like it.”

“What's up?" [asked Ford.]"I don't know," said Marvin, "I've never been there.”

“Das Leben", sagte Marvin schwermütig, "hasse oder ignoriere es, lieben kannst du's nicht.”