The quote "A physicist is the atoms' way of thinking about atoms" suggests that physicists provide insight into the nature of atoms, helping us understand the fundamental building blocks of matter. This perspective implies that humans, through science and inquiry, allow atoms to express their own complexities and behaviors. It highlights the interconnectedness between human intelligence and the fundamental elements of the universe.

In Bill Bryson's "A Short History of Nearly Everything," this idea reflects the broader theme of the book, which delves into the awe-inspiring history and evolution of scientific thought. Bryson explains how various discoveries have shaped our understanding of the universe, encouraging readers to appreciate the intricacies of science and the pivotal role that physicists play in deciphering the mysteries of existence.