“Think about all kinds of infectious diseases, like mumps or measles or chicken pox. When a virgin population encountered those pathogens, it ravaged the population, and now they're childhood diseases, and eventually they won't even be that. That's our relationship with bacteria, going through time.”

“If a bacterium is trying to infect you, it won't secrete alone, because your immune system will block it. Bacteria will hide until they can all act together and make an impact.”

“Think about all kinds of infectious diseases, like mumps or measles or chicken pox. When a virgin population encountered those pathogens, it ravaged the population, and now they're childhood diseases, and eventually they won't even be that. That's our relationship with bacteria, going through time.”

“I remember the day we found the gene for the inter-species signaling molecule like it was yesterday. We got the gene, and we plugged it into a database. And we immediately saw that this gene was in an amazing number of species of bacteria. It was a huge moment of realization.”

“My job is to teach someone something they never knew, but it should not be like you're in a prisoner-of-war camp. I'm supposed to be teaching you but also entertaining you. You're giving me an hour of your time. It should be lively. We're on a hunt, it's a mystery, and it's amazing.”

“When antibiotics became industrially produced following World War II, our quality of life and our longevity improved enormously. No one thought bacteria were going to become resistant.”