If all the beasts were gone, men would die from a great loneliness of spirit, for whatever happens to the beasts also happens to the man. All things are connected. Whatever befalls the Earth befalls the sons of the Earth. – Chief Seattle of the Suquamish Tribe, letter to President Franklin Pierce

Man is an animal which, alone among the animals, refuses to be satisfied by the fulfillment of animal desires. – Alexander Graham Bell

We know what the animals do, what are the needs of the beaver, the bear, the salmon, and other creatures, because long ago men married them and acquired this knowledge from their animal wives. Today the priests say we lie, but we know better. – American Indian Proverb

There is in all animals a sense of duty that man condescends to call instinct. – Robert Brault, rbrault.blogspot.com