The two major challenges for the 21st century are to improve the economic situation of the majority and save as much of the planet as we can.

The love of complexity without reductionism makes art; the love of complexity with reductionism makes science.

Human existence may be simpler than we thought. There is no predestination, no unfathomed mystery of life. Demons and gods do not vie for our allegiance. Instead, we are self-made, independent, alone, and fragile, a biological species adapted to live in a biological world. What counts for long-term survival is intelligent self-understanding, based upon a greater independence of thought than that tolerated today even in our most advanced democratic societies.

Ants have the most complicated social organization on earth next to humans.

'The Creation' presents an argument for saving biological diversity on Earth. Most of the book is for as broad an audience as possible.

Jehovah had nothing to say to Moses and the others about the care of the planet. He had plenty to say about tribal loyalty and conquest.

Known as the biosphere to scientists and as the creation to theologians, all of life together consists of a membrane around earth so thin that it cannot be seen edgewise from a satellite yet so prodigiously diverse that only a tiny fraction of species have been discovered and named.