Only a knowledgeable, empowered and vocal citizenry can perform well in democracy.

But it is a delightful challenge to try to depict interesting aliens.

In all of history, we have found just one cure for error—a partial antidote against making and repeating grand, foolish mistakes, a remedy against self-deception. That antidote is criticism.

It is a paradox of Life that all species breed past mere replacement. Any paradise of plenty soon fills to become paradise no more.

The village is coming back, like it or not.

But honestly, if you do a rigorous survey of my work, I'll bet you'll find that biology is a theme far more often than physical science.

Many people have tried to define science fiction. I like to call it the literature of exploration and change. While other genres obsess upon so-called eternal verities, SF deals with the possibility that our children may have different problems. They may, indeed, be different than we have been.