Every aspect of our lives is, in a sense, a vote for the kind of world we want to live in.

For me hope isn't wishful thinking or blind faith about the future. It's a stance toward life - one of curiosity and humility.

Fear doesn't have to stop us.

Nature is with us if we can learn how to align with it and not break the basic laws that generate life.

Humans need to feel effective - to feel that we can "make a dent," as he puts it. So the art of living is to find expressions appropriate to our own uniqueness in which we can experience effectiveness.

I think we are at a new evolutionary stage. We evolved in tight-knit tribes in which we faced death if we didn't have the support of the rest of the tribe.

Despite a tenfold increase in the use of pesticides between 1947 and 1974 (in the US), crop losses due to pests have...remained at an estimated 33%. Losses due to insects alone have nearly doubled, ...from 7% in the 1942-1951 period to about 13% in 1974.