The History of every major Galactic Civilization tends to pass through three distinct and recognizable phases, those of Survival, Inquiry and Sophistication, otherwise known as the How, Why, and Where phases. For instance, the first phase is characterized by the question 'How can we eat?' the second by the question 'Why do we eat?' and the third by the question 'Where shall we have lunch?

He picked up the letter Q and hurled it into a distant privet bush where it hit a young rabbit. The rabbit hurtled off in terror and didn’t stop till it was set upon and eaten by a fox which choked on one of its bones and died on the bank of a stream which subsequently washed it away. During the following weeks Ford Perfect swallowed his pride and struck up a relationship with a girl who had been a personnel officer on Golgafrincham, and he was terribly upset when she suddenly passed away as a result of drinking water from a pool that had been polluted by the body of a dead fox.

It can be very dangerous to see things from somebody else's point of view without the proper training.

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.

ABOYNE (vb.) To beat an expert at a game of skill by playing so appallingly that none of his clever tactics or strategies are of any use to him.

If there's any real truth, it's that the entire multidimensional infinity of the Universe is almost certainly being run by a bunch of maniacs.

The only person for whom the house was in any way special was Arthur Dent, and that was only because it happened to be the one he lived in.