And that's when I first learned about evil. It is built in to the very nature of the universe. Every world spins in pain. If there is any kind of supreme being, I told myself, it is up to all of us to become his moral superior.

— Terry Pratchett

And then Jack chopped down what was the world's last beanstalk, adding murder and ecological terrorism to the theft, enticement, and trespass charges already mentioned, and all the giant's children didn't have a daddy anymore. But he got away with it and lived happily ever after, without so much as a guilty twinge about what he had done...which proves that you can be excused for just about anything if you are a hero, because no one asks inconvenient questions.

— Terry Pratchett

And then there were cats, thought Dog. He'd surprised the huge ginger cat from next door and had attempted to reduce it to cowering jelly by means of the usual glowing stare and deep-throated growl, which had always worked on the damned in the past. This time they had earned him a whack on the nose that had made his eyes water. Cats, Dog considered, were clearly a lot tougher than lost souls. He was looking forward to a further cat experiment, which he planned would consist of jumping around and yapping excitedly at it. It was a long shot, but it just might work.

— Terry Pratchett

And the people of Ankh-Corpora are so thirsty for novelty that the whole city is, you might say, hurrying the future along for the sheer joy of watching its progress.

— Terry Pratchett

. . . And what are you exactly, my friend? Their subordinate? Their employee? Or, I would suggest, their equal? That's what young Karl would certainly have said, and probably still does. Unless he's no longer alive.' Dodger gave Solomon and strange look and Solomon hastened to clarify. "'MMM, as I recall, if you go around telling people that they are downtrodden, you tend to make two separate enemies: the people who are doing the down treading and have no intention of stopping, and the people who are downtrodden, but nevertheless -- people being who they are -- don't want to know. They can get quite nasty about it.' (205)

— Terry Pratchett

And what would humans be without love?"RARE, said Death.

— Terry Pratchett

Anger is wonderful. It keeps you going. I'm angry about bankers. About the government.

— Terry Pratchett

Anger was a weapon to be honed and treasured and used only at the moment yielding most premium.

— Terry Pratchett

Ankh-Corpora had dallied with many forms of government and had ended up with that form of democracy known as One Man, One Vote. The Patrician was the Man; he had the Vote.

— Terry Pratchett

Ankh-Corpora is a godless city--''I thought it had more than three hundred places of worship?' said Maladies. City', he recovered.

— Terry Pratchett