Karl Marx was right, socialism works, it is just that he had the wrong species

I will argue that every scrap of biological diversity is priceless, to be learned and cherished, and never to be surrendered without a struggle.

We are compelled to drive toward total knowledge, right down to the levels of the neuron and the gene. When we have progressed enough to explain ourselves in these mechanistic terms...the result might be hard to accept.

The education of women is the best way to save the environment.

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.

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

It's always been a dream of mine, of exploring the living world, of classifying all the species and finding out what makes up the biosphere.