Space is unimaginably big.

The gorillas are not yet sufficiently advanced in evolutionary terms to have discovered the benefits of passports, currency-declaration forms, and official bribery, and therefore tend to wander backward and forward across the border as and when their beastly, primitive whim takes them.

The bowler approached the wicket at a lope, a trot, and then a run. He suddenly exploded in a flurry of arms and legs, out of which flew a ball.

How many roads must a man walk down?

He didn't know why he had become president of the galaxy, except that it seemed a fun thing to be.

Why?' is always the most difficult question to answer. You know where you are when someone asks you 'What's the time?' or 'When was the battle of 1066?' or 'How do these seatbelts work that go tight when you slam the brakes on, Daddy?' The answers are easy and are, respectively, 'Seven-thirty in the evening,' 'Ten-fifteen in the morning,' and 'Don't ask stupid questions.

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.