Shane Parrish

"Founder of Farnam Street. Decision-making for ordinary moments."

Shane Parrish founded Farnam Street while working in Canadian intelligence, then built it into a decision-making blog, newsletter, podcast, and The Great Mental Models series. Clear Thinking (2023) is his practical operating system for ordinary moments.

1 book·Clear Thinking (2023)·Farnam Street & The Knowledge Project

Books by Shane Parrish

Our in-depth summaries and reviews of his work

Key Ideas & Recurring Themes

Ordinary moments decide

Results compound from small repeatable choices, not rare heroic scenes.

Name the four defaults

Emotion, ego, social, and inertia fire before you notice a choice was made.

Safeguards beat slogans

Build a pause and a rule that still works when you are tired.

Notable Quotes

"You don't rise to the occasion. You fall to the level of your training."
— Clear Thinking
"Ordinary moments determine the outcomes of our lives."
— Clear Thinking

New to Shane Parrish?

Start with our most popular summary of their work.

Read the Summary

Book Author Shane Parrish