Gregory

“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

“You only live once, but if you do it right, once is enough.”
― Mae West

“Darkness cannot drive out darkness: only light can do that. Hate cannot drive out hate: only love can do that.”
― Martin Luther King Jr., A Testament of Hope: The Essential Writings and Speeches

“The saddest aspect of life right now is that science gathers knowledge faster than society gathers wisdom.”
― Isaac Asimov