People don't like change. But make the change fast enough and you go from one type of normal to another.

He felt as if he had been shipwrecked on the Titanic, but in the nick of time had been rescued. By the Lusitania

As we all know, the Discworld is a flat planet - like a geological pizza, but without the anchovies.

Anyway, it's like with bikes,' said the first speaker authoritatively. 'I thought I was going to get this bike with seven gears and one of them razorblade saddles and purple paint and everything, and they gave me this light blue one. With a basket. A girl's bike.' 'Well. You're a girl,' said one of the others. 'That's sexism, that is. Going around giving people girly presents just because they're a girl.

Tiffany has been apprenticing as a witch by visiting people in need with her mentor. After meeting with one particularly sad case, she tells her mentor, "It shouldn't be like this." Her mentor replies, "There isn't a way things should be. There's just what happens, and what we do.

Their families cordially detested one another.

I reckon that Stonehege was build by the contemporary equivalent of Microsoft, whereas Avebury was definitely an Apple circle.