Rusty Schweickart

We are going to learn how to relate to the Earth and our own natural environment here by looking seriously at space colony ecologies.

We're not passengers on Spaceship Earth. We're the crew.

When you have an asteroid threatening Earth, it's uncertain where it's going to hit until the last minute; the decision to take action has to be coordinated by the international community.

The Gulf of Mexico, they believe, is a huge asteroid. That was an impact zone, you know that? Yeah, for that big a thing to actually hit our globe, it would have had to adjusted the spin, the axis.

My perspective is cultural and world-based. It's always been a global perspective.

If every time you engage in a sex act, you go into a confession box, you will never accept your own sexuality.