The case for exploiting animals for food, clothing and entertainment often relies on our superior intelligence, language and self-awareness: the rights of the superior being trump those of the inferior.

Skeptics question the validity of a particular claim by calling for evidence to prove or disprove it.

A Hubble Space Telescope photograph of the universe evokes far more awe for creation than light streaming through a stained glass window in a cathedral.

Through no divine design or cosmic plan, we have inherited the mantle of life's caretaker on the earth, the only home we have ever known.

Nature is full of drama. I know nothing about biology, about birds, about insects, about the details of politics. I just make movies about human interest stories.

Innovation, especially in America, is continuing at a breakneck pace, even in areas facing substantial political or regulatory headwinds. The advances in health care in particular are breathtaking - so many selfless souls are working to advance science, and this is heartening.

A big part of making music is the discovery aspect, is the surprise aspect. That's why I think I'll always love sampling. Because it involves combining the music fandom: collecting, searching, discovering music history, and artifacts of recording that you may not have known existed and you just kind of unlock parts of your brain, you know?

The accumulation of skill and science which has been directed to diminish the difficulty of producing manufactured goods, has not been beneficial to that country alone in which it is concentrated; distant kingdoms have participated in its advantages.