No one knows the diversity in the world, not even to the nearest order of magnitude. ... We don't know for sure how many species there are, where they can be found or how fast they're disappearing. It's like having astronomy without knowing where the stars are.
E. O. Wilson[The natural world cleans water, pollinates plants and provides pharmaceuticals, among many other gifts.] Thirty trillion dollars worth of services, scot-free to humanity, every year.
E. O. WilsonKnown as the biosphere to scientists and as the creation to theologians, all of life together consists of a membrane around earth so thin that it cannot be seen edgewise from a satellite yet so prodigiously diverse that only a tiny fraction of species have been discovered and named.
E. O. Wilson