The Answer to the Great Question... Of Life, the Universe and Everything... Is... Forty-two,' said Deep Thought, with infinite majesty and calm.

It is known that there are an infinite number of worlds, simply because there is an infinite amount of space for them to be in. However, not every one of them is inhabited. Therefore, there must be a finite number of inhabited worlds. Any finite number divided by infinity is as near to nothing as makes no odds, so the average population of all the planets in the Universe can be said to be zero. From this it follows that the population of the whole Universe is also zero, and that any people you may meet from time to time are merely the products of a deranged imagination.

I rarely end up where I was intending to go, but often I end up somewhere I needed to be.

Even light, which travels so fast it takes most races thousands of years to realize that it travels at all, takes time to journey between the stars.

So what do we do if we get bitten by something deadly?' I asked. He looked at me as if I were stupid. 'You die, of course. That's what deadly means.

When you're cruising down the road in the fast lane and you lazily sail past a few hard-driving cars and are feeling pretty pleased with yourself and then accidently change down from fourth to first instead of third thus making your engine leap out of your hood in a rather ugly mess, it tends to throw you off stride in much the same way that this remark threw Ford Prefect off his.

Siamese Cats have a way of staring at you. Those who have walked in on the Queen cleaning her teeth will know the expression.