We’re so self-important. So arrogant. Everybody’s going to save something now. - George Carlin

He is the only creature that inflicts pain for sport, knowing it to be pain. –Mark Twain

If slaughterhouses had glass walls the whole world would be vegetarian. - Linda McCartney

There is no fundamental difference between man and the higher animals in their mental faculties. The lower animals, like man, manifestly feel pleasure and pain, happiness, and misery. - Charles Darwin

I ask people why they have deer heads on their walls. They always say because it’s such a beautiful animal. There you go. I think my mother is attractive, but I have photographs of her. - Ellen DeGeneres