Ants are the dominant insects of the world, and they've had a great impact on habitats almost all over the land surface of the world for more than 50-million years.

The human race is not divided into two opposing camps of good and evil. It is made up of those who are capable of learning and those who are incapable of doing so.

America in particular imposes an horrendous burden on the world. We have this wonderful standard of living but it comes at enormous cost.

When you get into the whole field of exploring, probably 90 percent of the kinds of organisms, plants, animals and especially microorganisms and tiny invertebrate animals are unknown. Then you realize that we live on a relatively unexplored plan.

Evolution by natural selection is not an idle hypothesis. The genetic variation on which selection acts is well understood in principle all the way down to the molecular level.

The brain and its satellite glands have now been probed to the point where no particular site remains that can reasonably be supposed to harbour a nonphysical mind.

[Bacteria are the] dark matter of the biological world [with 4 million mostly unknown species in a ton of soil].