Animal Liberation (A New York Review Book, 1975)

Their wordsIf a being suffers there can be no moral justification for refusing to take that suffering into consideration.

Their wordsThe racist violates the principle of equality by giving greater weight to the interests of members of his own race when there is a clash between their interests and the interests of those of another race.

Their wordsThis book is about the tyranny of human over nonhuman animals.

Their wordsVegetarianism is a form of boycott.

Their wordsSpeciesism—the word is not an attractive one, but I can think of no better term—is a prejudice or attitude of bias toward the interests of members of one’s own species and against those of members of other species

Their wordsWe should not wear furs.

Their wordsI argue that there can be no reason—except the selfish desire to preserve the privileges of the exploiting group—for refusing to extend the basic principle of equality of consideration to members of other species.

Their wordsMost human beings are speciesists.