The three basic material rights -- continuity, mutual obligation, and the pursuit of happiness.

Change is the principal feature of our age and literature should explore how people deal with it. The best science fiction does that, head-on.

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.

I would normally never set out to write a trilogy.

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

Every marvel of our age arose out of the critical give and take of an open society. No other civilization ever managed to incorporate this crucial innovation, weaving it into daily life. And if you disagree with this... say so!

Patience is fine, but I'm not going to stop asking the Universe to make sense!