“You are not apprehensive, are you? I can't detect no trace of fear none whatsoever Roomy cranium all possible videos of all possible outcomes of current situation and envisage.”
“After all, my young Dodger, what exactly are you? A stalwart young man, plucky and brave and apparently without fear? Or, possibly, I suggest, a street urchin with a surfeit of animal cunning and the luck of Beelzebub himself.”
“Oh. I see. People don't want to see what can't possibly exist.”
“Do you think it's possible for an entire nation to be insane?”
“Oh, my dear Vimes, history changes all the time. It is constantly being re-examined and re-evaluated, otherwise how would we be able to keep historians occupied? We can't possibly allow people with their sort of minds to walk around with time on their hands.”
“This is very similar to the suggestion put forward by the Quirmian philosopher Ventre, who said, "Possibly the gods exist, and possibly they do not. So why not believe in them in any case? If it's all true you'll go to a lovely place when you die, and if it isn't then you've lost nothing, right?" When he died he woke up in a circle of gods holding nasty-looking sticks and one of them said, "We're going to show you what we think of Mr Clever Dick in these parts...”
“DO I DETECT A NOTE OF UNSEASONAL GRUMPINESS? said Death. NO SUGAR PIGGYWIGGY FOR YOU, ALBERT.”