David Culbertson

“Sir Isaac Newton, renowned inventor of the milled-edge coin and the catflap!"

"The what?" said Richard.

"The catflap! A device of the utmost cunning, perspicuity and invention. It is a door within a door, you see, a ..."

"Yes," said Richard, "there was also the small matter of gravity."

"Gravity," said Dirk with a slightly dismissed shrug, "yes, there was that as well, I suppose. Though that, of course, was merely a discovery. It was there to be discovered." ... "You see?" he said dropping his cigarette butt, "They even keep it on at weekends. Someone was bound to notice sooner or later. But the catflap ... ah, there is a very different matter. Invention, pure creative invention. It is a door within a door, you see.”
― Douglas Adams, Dirk Gently's Holistic Detective Agency

“The Electric Monk was a labour-saving device, like a dishwasher or a video recorder... Electric Monks believed things for you, thus saving you what was becoming an increasingly onerous task, that of believing all the things the world expected you to believe.”
― Douglas Adams, Dirk Gently's Holistic Detective Agency

“It is difficult to be sat on all day, every day, by some other creature, without forming an opinion on them.

On the other hand, it is perfectly possible to sit all day, every day, on top of another creature and not have the slightest thought about them whatsoever.”
― Douglas Adams, Dirk Gently's Holistic Detective Agency

“Don't you understand that we need to be childish in order to understand? Only a child sees things with perfect clarity, because it hasn't developed all those filters which prevent us from seeing things that we don't expect to see.”
― Douglas Adams, Dirk Gently's Holistic Detective Agency