Old beliefs die hard even when demonstrably false.

The great challenge of the twenty-first century is to raise people everywhere to a decent standard of living while preserving as much of the rest of life as possible.

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 precise place and hour. We have created a Star Wars civilization, with Stone Age emotions, medieval institutions, and godlike technology. We thrash about. We are terribly confused by the mere fact of our existence, and a danger to ourselves and to the rest of life.

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

Not all ants use violence to dominate their world, some use more subtle methods.

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

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