If I had been Terry Pratchett the farmer, or Terry Pratchett the dentist, nobody would have paid any attention if I had announced I had Alzheimer's. But there is something fascinating about an author losing the power over words.

You can't trample infidels when you're a tortoise. I mean, all you could do is give them a meaningful look.

Insanity is catching.

You never knew about people, like you never knew how deep a pond was because all you saw was the top.

Cheery was aware that Commander Vimes didn't like the phrase 'The innocent have nothing to fear', believing the innocent had everything to fear, mostly from the guilty but in the longer term even more from those who say things like 'The innocent have nothing to fear'.

We live and learn, or, perhaps more importantly we learn and live.

Never trust any complicated cocktail that remains perfectly clear until the last ingredient goes in, and then immediately clouds.