Competing is intense among humans, and within a group, selfish individuals always win. But in contests between groups, groups of altruists always bea….

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..

Nature holds the key to our aesthetic, intellectual, cognitive and even spiritual satisfaction..

If we were to wipe out insects alone on this planet, the rest of life and humanity with it would mostly disappear from the land. Within a few months..

People must belong to a tribe; they yearn to have a purpose larger than themselves. We are obligated by the deepest drives of the human spirit to mak….

We exist in a bizarre combination of Stone Age emotions, medieval beliefs, and god-like technology..

There can be no purpose more enspiriting than to begin the age of restoration, reweaving the wondrous diversity of life that still surrounds us..

People would rather believe than know..

Humanity today is like a waking dreamer, caught between the fantasies of sleep and the chaos of the real world. The mind seeks but cannot find the pr….

If all mankind were to disappear, the world would regenerate back to the rich state of equilibrium that existed ten thousand years ago. If insects we….

Darwin's dice have rolled badly for Earth. The human species is, in a word, an environmental abnormality. Perhaps a law of evolution is that intellig….

We are drowning in information, while starving for wisdom. The world henceforth will be run by synthesizers, people able to put together the right in….

Each species is a masterpiece, a creation assembled with extreme care and genius..

You teach me, I forget. You show me, I remember. You involve me, I understand..

Destroying a tropical rainforest for profit is like burning all the paintings of the Louvre to cook dinner..

The cost of scientific advance is the humbling recognition that reality was not constructed to be easily grasped by the human mind. This is the cardi….

If enough species are extinguished, will the ecosystems collapse, and will the extinction of most other species follow soon afterward? The only answe….

You are capable of more than you know. Choose a goal that seems right for you and strive to be the best, however hard the path. Aim high. Behave hono….

The real problem of humanity is the following: we have paleolithic emotions; medieval institutions; and god-like technology. And it is terrifically d….

Overall, the human brain is the most complex object known in the universe - known, that is, to itself..

Without the instruments and accumulated knowledge of the natural sciences... humans are trapped in a cognitive prison. They are like intelligent fish….