I am rarely happier than when spending an entire day programming my computer.

Curiously enough, the only thing that went through the mind of the bowl of petunias as it fell was Oh no, not again. Many people have speculated that if we knew exactly why the bowl of petunias had thought that we would know a lot more about the nature of the Universe than we do now.

But what about the End of the Universe? We'll miss the big moment." I've seen it. It's rubbish," said Zaphod,"nothing but a gnab gib." A what?" Opposite of a big bang. Come on, let's get zappy.

Numbers written on restaurant bills within the confines of restaurants do not follow the same mathematical laws as numbers written on any other pieces of paper in any other parts of the Universe. This single fact took the scientific world by storm.

Ah, this is obviously some strange usage of the word 'safe' that I wasn't previously aware of.

I refuse to answer that question on the grounds that I don't know the answer

If the Universe came to an end every time there was some uncertainty about what had happened in it, it would never have got beyond the first picosecond. And many of course don't. It's like a human body, you see. A few cuts and bruises here and there don't hurt it. Not even major surgery if it's done properly. Paradoxes are just the scar tissue. Time and space heal themselves up around them and people simply remember a version of events which makes as much sense as they require it to make.