Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

Sailors on a becalmed sea, we sense the stirring of a breeze.

The visions we offer our children shape the future. It _matters_ what those visions are. Often they become self-fulfilling prophecies. Dreams are maps.

There is every reason to think that in the coming years Mars and its mysteries will become increasingly familiar to the inhabitants of the Planet Earth.

These days there seems to be nowhere left to explore, at least on the land area of the Earth. Victims of their very success, the explorers now pretty much stay home.

On Titan the molecules that have been raining down like manna from heaven for the last 4 billion years might still be there largely unaltered deep-frozen awaiting the chemists from Earth

Once upon a time, we soared into the Solar System. For a few years. Then we hurried back. Why? What happened? What was 'Apollo' really about?

It was a strange trek — the sullen leading the apathetic, followed by the confused, all tailed by the inveterately amused.

Each moment only once

It was almost enough to make me turn vegetarian, except for the pesky fact that I loved cheeseburgers.

Sometimes when we are afraid to confess an area of brokenness or sin in our lives, we know the changes we need to make.

You pray for rain, you gotta deal with the mud too. That's a part of it.

I hope to die right in the middle of a song and right on the stage doing what I love to do. I hope to be about 120 when that happens.

Rome wasn't built in a day, and the internet is our new Rome

Patria est communis omnium parens. Our country is the common parent of all.

Time spent with poets is never wasted.

Witnessing is the essence of being a documentary filmmaker. Capturing moments in time; never knowing how history will judge them.