"But you don't do it. Because guys like us, Red, we know there's a third choice. An alternative to staying simon-pure or bathing in the filth and the slime. It's the alternative that grown-ups all over the world pick. You balance off your walk through the hog-wallow against what it gains you. You choose the lesser of two evils and try to keep your good intentions in front of you. And I guess you judge how well you're doing by how well you sleep at night... and what your dreams are like."

Source: Stephen King (2006). “The Dark Tower V: Wolves of the Calla”, p.186, Hachette UK