David

“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.”
― Douglas Adams, The Ultimate Hitchhiker’s Guide to the Galaxy

“[...]the only people for me are the mad ones, the ones who are mad to live, mad to talk, mad to be saved, desirous of everything at the same time, the ones who never yawn or say a commonplace thing, but burn, burn, burn like fabulous yellow roman candles exploding like spiders across the stars and in the middle you see the blue centerlight pop and everybody goes “Awww!”
― Jack Kerouac, On the Road

“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.”
― Douglas Adams, The Hitchhiker's Guide to the Galaxy

“A pain stabbed my heart, as it did every time I saw a girl I loved who was going the opposite direction in this too-big world.”
― Jack Kerouac, On the Road