You cannot see what I see because you see what you see. You cannot know what I know because you know what you know. What I see and what I know cannot be added to what you see and what you know because they are not of the same kind. Neither can it replace what you see and what you know, because that would be to replace you yourself." "Hang on, can I write this down?" said Arthur, excitedly fumbling in his pocket for a pencil.

One of the most important things you learn from the internet is that there is no 'them' out there. It’s just an awful lot of 'us.'

I like the cover," he said. "Don't Panic. It's the first helpful or intelligible thing anybody's said to me all day.

Even a manically depressed robot is better to talk to than nobody.

Religion ... has certain ideas at the heart of it which we call sacred or holy or whatever. What it means is, 'Here is an idea or a notion that you're not allowed to say anything bad about; you're just not. Why not? Because you're just not. If someone votes for a party that you don't agree with, you're free to argue about it as much as you like; everybody will have an argument but nobody feels aggrieved by it. ... But on the other hand, if somebody says 'I mustn't move a light switch on a Saturday', you say 'I respect that'.

You just come along with me and have a good time. The Galaxy's a fun place. You'll need to have this fish in your ear.

For a moment he felt good about this. A moment or two later he felt bad about feeling good about it. Then he felt good about feeling bad about feeling good about it and satisfied, drove on into the night.