Most horses don't walk backwards voluntarily, because what they can't see doesn't exist.

I [...] vowed that rather than let Alzheimer's take me, I would take it. I would live my life as ever to the full and die, ­before the disease mounted its last ­attack, in my own home, in a chair on the lawn, with a brandy in my hand to wash down whatever modern ­version of the "Brompton cocktail" some ­helpful medic could supply. And with ­Thomas Tallis on my iPod, I would shake hands with Death.

Evolution was far more thrilling to me than the biblical account. Who would not rather be a rising ape than a falling angel? To my juvenile eyes, Darwin was proved true every day. It doesn't take much to make us flip back into monkeys again.

I have no use for people who have learned the limits of the possible.

Little fussy Otto, in his red-lined black opera cloak with pockets for all his gear, his shiny black shoes, his carefully cut widow's peak and, not least, his ridiculous accent that grew thicker or thinner depending on who he was talking to, did not look like a threat. He looked funny, a joke, a music-hall vampire. It had never previously occurred to Vimes that, just possibly, the joke was on other people.

Last night there seemed to be a chance. Anything was possible last night. That was the trouble with last nights. They were always followed by this mornings.

If you trust in yourself. . .and believe in your dreams. . .and follow your star. . . you'll still get beaten by people who spent their time working hard and learning things and weren't so lazy.