Guides

A practical guide to improving the quality of your thinking — covering mental models, cognitive biases, and structured frameworks for clearer reasoning and better decisions.

Evidence-based techniques for accelerating learning — including spaced repetition, deliberate practice, interleaving, and the Feynman technique for deep understanding.

Practical strategies for retaining what you read — from active reading and note-taking systems to building a personal knowledge base that compounds over time.

A practical guide to developing leadership ability — drawn from the principles, habits, and mental models of the most effective leaders in business, military, and public life.

A framework for improving decision quality — covering mental models, cognitive biases, decision processes, and the habits that separate consistently good decision-makers from everyone else.

A practical guide to building durable competitive advantages — covering Warren Buffett's moat concept, Hamilton Helmer's 7 Powers, and the strategies that protect businesses from competition over decades.