Thirty trillion dollars worth of services, scot-free to humanity, every year.

In the process of natural selection, then, any device that can insert a higher proportion of certain genes into subsequent generations will come to characterize the species.

The work on ants has profoundly affected the way I think about humans.

That's the way to get young people. Once they see there are wonderful things to hunt for, to rediscover a species that was thought to be extinct or is extremely rare, to be the first to see a nest, to discover a new species unsuspected close to your home - these are things, I think, with a little education and excitement and the right kind of natural history would actually start a movement that makes going back to nature a profitable adventure.

The laws of biology are written in the language of diversity.

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

Ants are the dominant insects of the world, and they've had a great impact on habitats almost all over the land surface of the world for more than 50-million years.