I'm often asked whether I believe in Global Warming. I now just reply with the question: "Do you believe in Gravity?"

There is a growing awareness that we're losing our technological competitive edge. I think there's an awareness that we're losing our leadership, and that maybe our self image over the past several decades has been a little bit delusional.

Great scientific minds, from Claudius Ptolemy of the second century to Isaac Newton of the seventeenth, invested their formidable intellects in attempts to deduce the nature of the universe from the statements and philosophies contained in religious writings.... Had any of these efforts worked, science and religion today might be one and the same. But they are not.

The molecules that comprise our body are traceable to the crucibles of the centers of stars.These atoms and molecules are in us because, in fact, the universe is in us. And, we are not only figuratively, but literally, stardust.

No one is dumb who is curious.

In the New Testament, Thomas Jefferson cut out everything that was mystical, magical, miracle - physically with scissors - and then pasted in all that remained, such as Jesus's Sermon on the Mount.

For centuries, magicians have intuitively taken advantage of the inner workings of our brains.