In "A Short History of Nearly Everything," Bill Bryson discusses the vast diversity of insect species on Earth. He points out that understanding and cataloging these insects is a monumental task, as scientists discover new species constantly. Bryson notes the staggering estimate of over fifteen thousand years needed to have a complete count of all insect species.

This statement highlights the complexity of biodiversity and the challenge that researchers face in documenting it. It underscores the importance of thorough scientific research in appreciating the planet's ecological richness and the time required to fully comprehend the intricate web of life, particularly in the insect realm.