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

It's always been a great survival value for people to believe they belong to a superior tribe. That's just in human relationships.

The extinctions ongoing worldwide promise to be at least as great as the mass extinction that occurred at the end of the age of dinosaurs.

So important are insects and other land-dwelling arthropods that if all were to disappear, humanity probably could not last more than a few months.

We have to create a sustainable environment, worldwide, and we're not doing it. The best thing we can do with the rest of this century is aggressively acquire - and put aside - the richest natural reserves that we can, and then do our best to manage the needs and desires of the 11 billion people we expect to have by the end of the century. This is where biology is headed. For that reason, the sooner we get on with mapping biodiversity on Earth, the better off biology will be - not to mention the whole subject of saving it before we carelessly throw it away.

Biophilia: the innate pleasure from living abundance and diversity as manifested by the human impulse to imitate Nature with gardens.

By any reasonable measure of achievement, the faith of the Enlightenment thinkers in science was justified.