If you meet somebody who says he or she has never dreamed of flying, I don't believe you. I mean, they're lying.

Burning carbon-based substances like oil, gas, and especially coal, produces billions of tons of extra carbon dioxide each year. Methane gas from cows and pigs and other animals on our large farms ends up in the atmosphere as well, trapping more of the sun's energy as heat.

I try to speak plainly and be sympathetic to the idea of religions where people gather in community. They get a sense of people looking out for each other. My claim is that we have a tendency to look out for each other whether or not there is a religion involved.

From an evolutionary standpoint you can't just wipe everything out and start over, and I don't think you can do it in the school system either.

We are special in the sense that we can know our place in the cosmos. We can know our place in space. We are at least one of the cosmos's ways of knowing itself. That fills me with reverence and joy. Another insight I really want people to consider is this: everyone has gotten this far. Everyone you meet has made it this far. Nobody is superior to anyone else from an evolutionary standpoint.

Humor is everywhere in that there's irony in just about anything a human does.

The US Navy has several people on every ship that can navigate by the stars. They don't fool with that.