Who will speak for Planet Earth?

Accommodation to change, the thoughtful pursuit of alternative futures are keys to the survival of civilization and perhaps of the human species.

Any sufficiently crisp question can be answered by a single binary digit-0 or 1, yes or no.

Much of human history can, I think, be described as a gradual and sometimes painful liberation from provincialism, the emerging awareness that there is more to the world than was generally believed by our ancestors.

I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students.

My deeply held belief is that if a god of anything like the traditional sort exists, our curiosity and intelligence are provided by such a god.

We are the first species to have taken our evolution into our own hands.

Ours is the first generation that has grown up with science-fiction ideas.

We have entered, almost without noticing, an age of exploration and discovery unparalleled since the Renaissance.

All inquiries carry with them some element of risk.