Anything that happens, happens. Anything that, in happening, causes something else to happen, causes something else to happen. Anything that, in happening, causes itself to happen again, happens again. It doesn’t necessarily do it in chronological order, though.

There are some oddities in the perspective with which we see the world.

What is this? Some sort of galactic hyperhearse?

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.

He has personality problems beyond the dreams of analysts.

Yes it is,' said the Professor. 'Wait—' he motioned to Richard, who was about to go out again and investigate— 'let it be. It won't be long.' Richard stared in disbelief. 'You say there's a horse in your bathroom, and all you can do is stand there naming Beatles songs?' The Professor looked blankly at him.

Why' is the only question that bothers people enough to have an entire letter of the alphabet named after it. The alphabet does not go 'A B C D What? When? How?' but it does go 'V W X Why? Z.