"Foot-and-mouth disease is a form of flu, treatable by proper veterinary care, preventable by vaccination, lethal neither to humans nor to animals. These animals, millions of them not even infected, were all killed only because their market value had been diminished and because trade policies required it—because, in short, under the circumstances it was the quick and convenient thing to do. By the one measure we now apply to these creatures, they had all become worthless. For them, the difference between what happened and what awaited them anyway was one of timing. And for us the difference was visibility. This time, we had to watch."

“How we treat our fellow creatures is only one more way in which each one of us, every day, writes our own epitaph—bearing into the world a message of light and life or just more darkness and death, adding to the world's joy or to its despair.”

“Standing outside a factory farm, the first question that comes to mind is not a moral but a practical one: Where is everybody? Where are the owners, the farmers, the livestock managers, the extra hands, anybody? I have been driving around the North Carolina countryside on a Thursday afternoon in January 2001, pulling in at random to six hog farms, and have yet to find a single farmer or any other living soul. … There are so many factory farms around here that they are easy to miss. I doubt that the average visitor just passing through even knows what they are …”

“It began with one pig at a British slaughterhouse. Somewhere along the production line it was observed that the animal had blisters in his mouth and was salivating. The worst suspicions were confirmed, and within days borders had been sealed and a course of action determined. Soon all of England and the world watched as hundreds, and then hundreds of thousands, of pigs, cows, and sheep and their newborn lambs were taken outdoors, shot, thrown into burning pyres, and bulldozed into muddy graves. Reports described terrified cattle being chased by sharpshooters, clambering over one another to escape. Some were still stirring and blinking a day after being shot.”