For humans, flying isn't magic, it's physics.

Don't be upset that it takes a long, long time to find wisdom because nobody knows where wisdom can be found. It tends to break out at unexpected times like a rare virus and mostly people with compassion and understanding are susceptible to it.

In 2003, I almost died of an intestinal blockage when I was on a mountain in Chile, filming a segment for 'Scientific American Frontiers.'

What then are doing if not creating a better place together? I think, for me the key has to be, what do I want to create? What is it I want to leave behind?

Some of the greatest things, as I understand, they have come about by serendipity, the greatest discoveries

Nothing important was ever accomplished without chutzpah. Columbus had chutzpah. The signers of the Declaration of Independence had chutzpah. Don't ever aim doubt at yourself. Laugh at yourself, but don't doubt yourself.

During the first day, curious at having outsiders among them, a long stream of inmates came over and talked with me. Remarkably, according to what they told me, nearly every inmate in the prison didn't do it. Several thousand people had been locked up unjustly and, by an incredible coincidence, all in the same prison. On the other hand, they knew an awful lot about how to knife somebody.