David

“For instance, on the planet Earth, man had always assumed that he was more intelligent than dolphins because he had achieved so much—the wheel, New York, wars and so on—whilst all the dolphins had ever done was muck about in the water having a good time. But conversely, the dolphins had always believed that they were far more intelligent than man—for precisely the same reasons.”
― Douglas Adams, The Hitchhiker's Guide to the Galaxy

“Animals are my friends...and I don't eat my friends.”
― George Bernard Shaw

“The story so far:
In the beginning the Universe was created.
This has made a lot of people very angry and been widely regarded as a bad move.”
― Douglas Adams, The Restaurant at the End of the Universe

“Two things are infinite: the universe and human stupidity; and I'm not sure about the universe.”
― Albert Einstein