The impossible often has a kind of integrity to it which the merely improbable lacks. How often have you been presented with an apparently rational explanation of something that works in all respects other than one, which is just that it is hopelessly improbable? Your instinct is to say, 'Yes, but he or she simply wouldn't do that.

It seemed to me,' said Wonko the Sane, 'that any civilization that had so far lost its head as to need to include a set of detailed instructions for use in a package of toothpicks, was no longer a civilization in which I could live and stay sane.

The storm had now definitely abated, and what thunder there was now grumbled over more distant hills, like a man saying 'And another thing...' twenty minutes after admitting he'd lost the argument.

Rather than arriving five hours late and flustered, it would be better all around if he were to arrive five hours and a few extra minutes late, but triumphantly in command.

This planet has - or rather had - a problem, which was this: most of the people living on it were unhappy for pretty much of the time. Many solutions were suggested for this problem, but most of these were largely concerned with the movement of small green pieces of paper, which was odd because on the whole it wasn't the small green pieces of paper that were unhappy.

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.

Alone of all the races on earth, they seem to be free from the 'Grass is Greener on the other side of the fence' syndrome, and roundly proclaim that Australia is, in fact, the other side of that fence.