
Brain Food
Weekly insights on mental models, decision-making, and the art of living a more intentional and thoughtful life.
Best for
Anyone serious about developing better thinking, decision-making, and mental models through timeless wisdom
Why we recommend it
- Focuses on timeless principles rather than productivity hacks or trending news
- Concise format with about five minutes of high-signal reading per issue
- Draws from a wide range of disciplines including philosophy, psychology, history, and business
Brain Food, the flagship newsletter of Farnam Street by Shane Parrish, delivers thoughtful insights every Sunday on mental models, clear thinking, and better decision-making. Rather than chasing productivity hacks or trending news, each issue focuses on the deeper patterns that explain why some decisions work and others fail, offering five minutes of reading that can shift how you approach the rest of your week. Topics regularly draw from philosophy, history, psychology, and human nature.
Shane Parrish is a former intelligence analyst turned bestselling author of "Clear Thinking" and host of The Knowledge Project podcast, which has featured guests like Naval Ravikant, Adam Grant, and Daniel Kahneman. With over 600,000 weekly readers including Fortune 10 CEOs, championship coaches, and top entrepreneurs, Brain Food has become one of the most respected personal growth newsletters on the internet. Its emphasis on timeless wisdom over fleeting trends makes it a staple for anyone serious about improving how they think and live.


