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

I believe in animal rights, and high among them is the right to the gentle stroke of a human hand. – Robert Brault, rbrault.blogspot.com

I have been studying the traits and dispositions of the “lower animals” (so called) and contrasting them with the traits and dispositions of man. I find the result humiliating to me. – Mark Twain, Letters from the Earth, 1907

Drinking, when we are not thirsty and making love all year round, madam; that is all there is to distinguish us from other animals. – Pierre De Beaumarchais