Enjoyment appears at the boundary between boredom and anxiety, when the challenges are just balanced with the person’s capacity to act.

Mikael Krogerus The Decision Book: Fifty Models for Strategic Thinking (Fully Revised Edition)

Jonathan Haidt The Happiness Hypothesis: Finding Modern Truth in Ancient Wisdom

Mihaly Csikszentmihalyi Flow: The Psychology of Optimal Experience (Harper Perennial Modern Classics)

Mihaly Csikszentmihalyi Flow: The Psychology of Optimal Experience (Harper Perennial Modern Classics)

Mihaly Csikszentmihalyi Flow: The Psychology of Optimal Experience (Harper Perennial Modern Classics)

Mihaly Csikszentmihalyi Flow: The Psychology of Optimal Experience (Harper Perennial Modern Classics)

Cal Newport Deep Work: Rules for Focused Success in a Distracted World

LessWrong How to Be Happy - LessWrong