'These things will become clear to you,' said the old man gently, 'at least,' he added with slight doubt in his voice, 'clearer than they are at the moment.'

Isn't it enough to see that a garden is beautiful without having to believe that there are fairies at the bottom of it too?

He had extracted himself from the Cambridge one-way system by the usual method, which involved going round and round it faster and faster until he achieved a sort of escape velocity and flew off at a tangent in a random direction, which he was now trying to identify and correct for.

The Hitch-Hiker's Guide to the Galaxy also mentions alcohol. It says that the best drink in existence is the Pan Galactic Gargle Blaster, the effect of which is like having your brains smashed out with a slice of lemon wrapped round a large gold brick.

The kakapo is a bird out of time. If you look one in its large, round, greeny-brown face, it has a look of serenely innocent incomprehension that makes you want to hug it and tell it that everything will be all right, thought you know that it probably will not be.

Many words and expressions which only a matter of decades ago were considered so distastefully explicit that, were they merely to be breathed in public, the perpetrator would be shunned, barred from polite society, and in extreme cases shot through the lungs, are now thought to be very healthy and proper, and their use in everyday speech and writing is evidence of a well-adjusted, relaxed and totally un****ed-up personality.

I love to keep poking and prodding at it. I’ve thought about it so much over the years that that fascination is bound to spill over into my writing.