Humanity needs a vision of an expanding and unending future.

We ought to recognize that religious strife is not the consequence of differences among people. It's about conflicts between creation stories.

Of course, there is no reconciliation between the theory of evolution by natural selection and the traditional religious view of the origin of the human mind.

The world depends on fungi, because they are major players in the cycling of materials and energy around the world.

One difference between ants and humans is that while ants send their old women off to war, humans send their young men.

We are not afraid of predators, we're transfixed by them, prone to weave stories and fables and chatter endlessly about them, because fascination creates preparedness, and preparedness, survival. In a deeply tribal way, we love our monsters.

We don't need to clear the 4 to 6 percent of the Earth's surface remaining in tropical rain forests, with most of the animal and plant species living there.