Sam Harris speaks with Shane Parrish about some of the mental models that should guide our thinking and behavior. Shane Parrish is the host of The Knowledge Project podcast and the founder of Farnam Street blog, which aims to help others develop an understanding of how the world works, make better decisions, and live a better life. Shane was previously a cybersecurity expert at Canada’s top intelligence agency, Communications Security Establishment, a division of Canada’s Defense Department. Website: fs.blog Twitter: @farnamstreet