If somebody votes for a party that you don't agree with, you're free to argue about it as much as you like. ... But on the other hand, if somebody says, 'I mustn't move a light switch on a Saturday,' you say, 'Fine, I respect that.'

42 is a nice number that you can take home and introduce to your family.

Meanwhile, the poor Babel fish, by effectively removing all barriers to communication between different races and cultures, has caused more and bloodier wars than anything else in the history of creation.

Imagine" he said, "never even thinking, 'We are alone,' simply because it has never occurred to you to think that there's any other way to be.

The quality of any advice anybody has to offer has to be judged against the quality of life they actually lead.

Assumptions are what we don't know we are making

Looking up into the night sky is looking into infinity — distance is incomprehensible and therefore meaningless