Animals' Rights Considered in Relation to Social Progress

The immediate question that claims our attention is thisif men have rights, have animals their rights also?From the earliest times there have been thinkers who, directly or indirectly, answered this question with an affirmative. The Buddhist and Pythagorean canons, dominated perhaps by the creed of reincarnation, included the maxim not to kill or injure any innocent animal. The humanitarian philosophers of the Roman empire, among whom Seneca, Plutarch, and Porphyry were the most conspicuous...