The car shot forward straight into the circle of light, and suddenly Arthur had a fairly clear idea of what infinity looked like. It wasn’t infinity in fact. Infinity itself looks flat and uninteresting. Looking up into the night sky is looking into infinity—distance is incomprehensible and therefore meaningless. The chamber into which the aircar emerged was anything but infinite, it was just very very very big, so big that it gave the impression of infinity far better than infinity itself.

It takes a long time before we really get to grips with this [Darwin's 'On the Origin of Species'] and begin to understand it, because not only does it seem incredible and thoroughly demeaning to us, but it's yet another shock to our system to discover that not only are we not the centre of the Universe and we're not made by anything, but we started out as some kind of slime and got to where we are via being a monkey. It just doesn't read well.

For millions of years, on average, one species became extinct every century.... We are now heaving more than a thousand different species of animals and plants off the planet every year.

Yes. They are the words that finally turned me into the hermit I have now become. It was quite sudden. I saw them, and I knew what I had to do." The sign read: "Hold stick near center of its length. Moisten pointed end in mouth. Insert in tooth space, blunt end next to gum. Use gentle in-out motion." "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.

We're not obsessed by anything, you see," insisted Ford. "..." "And that's the deciding factor. We can't win against obsession. They care, we don't. They win." "I care about lots of things," said Slartibartfast, his voice trembling partly with annoyance, but partly also with uncertainty. "Such as?" "Well," said the old man, "life, the Universe. Everything, really. Fjords." "Would you die for them?" "Fjords?" blinked Slartibartfast in surprise. "No." "Well then." "Wouldn't see the point, to be honest.

A theory of the universe that states: If anyone finds out what the universe is for, it will disappear and be replaced by something more bizarrely inexplicable.

Sherlock Holmes observed that once you have eliminated the impossible then whatever remains, however improbable, must be the answer. I, however, do not like to eliminate the impossible.