Contents

Chapter One: A Glimpse Inside

Chapter Two: Cod Liver Oil

Chapter Three: The Myth of Talent

Chapter Four: Making Your Hats

1. Holding On

Stubbornness

Orneriness

A High Threshold of Frustration

The Jump-Cut Mind

Putting On Hold

2. Taking Apart

Method vs. Approach

Atomizing

Attention Without Tension

Precision

Rotating the Diamond

Breaking Apart

Pursuing the Possible

3. Putting Together

Play

Stubbornness Revisited

The Riddle of the Pygmy Shrew

Analogy

Holding Hypotheses Like Birds

Experimental Fervor

The Architectural Instinct

The Conductor

Chapter Five: The Great Barrier Reef

Language: Symbols

Language: Equations

Language: Third Person Remote

The Buddha, the Bodhisattva, and the Bo

Climbing a Tall Building

Alienation

Diamond Hard

Who Cares?

Chapter Six: How Math Has Been Taught

Behind the Phenomena

The Teaching Wars

Cookbooks, Song-Lines, and Games

Ancestral Voices Calling for Reform

Anticurriculum

The Curate’s Egg

Russian Math Circles

Chapter Seven: How Mathematicians Actually Work

Chapter Eight: The Math Circle

Ends

Beginnings

The Students

The Leaders

The Math

Connecting

Intuition Grows

A Proof Takes Shape

Looking Leads to Seeing

Competition

Chapter Nine: Filling in the Details

Where’s the Kit?

Math Itself

Courses

Sample Outline of a Middle Course: Interesting Points in Triangles

Piecemeal Advice

Perilous Turnings and Pivotal Moments

From a Journal

What’s the Way Forward?

The Summer Institute

To Take with You

Acknowledgments

Footnotes

Appendix: Thoughts of a Young Teacher

A Note on Our Pronouns