"If they [animals] were capable of formulating a religion, they might differ considerably as to the shape of the beneficent Creator, but they would nearly all agree that the Devil must be very like a big white man. For we have always treated our poor relations in fur and feathers as if they had no rights at all. We have not only enslaved them, and killed and eaten them, but we have made it one of our chief pleasures to take away their lives, and not infrequently we have tortured them. Our ancestors sinned in ignorance; they were taught (as I deeply regret to say one great Christian Church still teaches) that the world, with all that it contains, was made for man, and that the lower orders of creation have no claims whatever upon us. But we have no longer the excuse of saying that we do not know; we do know that organic life on this planet is all woven of one stuff, and that if we are children of our Heavenly Father, it must be true, as Christ told us, that no sparrow falls to the ground without His care. The new knowledge has revolutionised our ideas of our relations to the other living creatures who share the world with us, and it is our duty to consider seriously what this knowledge should mean for us in matters of conduct."