One trend that bothers me is the glorification of stupidity, that the media is reassuring people it's alright not to know anything. That to me is far more dangerous than a little pornography on the Internet.

But nature is always more subtle, more intricate, more elegant than what we are able to imagine.

But down deep, at the molecular heart of life we're essentially identical to trees.

Who are we, if not measured by our impact on others?

Writing is perhaps the greatest of human inventions, binding together people who never knew each other, citizens of distant epochs. Books break the shackles of time. A book is proof that humans are capable of magic.

Those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and prejudices, will penetrate its deepest mysteries.

The absence of evidence is not the evidence of absence.