Youngsun Back is Associate Professor in the Department of Confucian Studies and Eastern Philosophy at Sungkyunkwan University, Korea. Her research interest lies in the ethical and political dimensions of Chinese and Korean philosophy. Her recent publications include "The Mencian Theory of Royal Succession" (Philosophical Forum, 2024), "Yi Ik on Compassion and Grief" (Religions, 2023), and "Revealing Contingency through Shun's Ascension to the Throne" (Early China, 2020). Additionally, she co-edited Traditional Korean Philosophy: Problems and Debates (2016).So-Jeong Park is Professor of Korean Philosophy at Sungkyunkwan University and the Director of Institute of Korean Philosophy and Culture (IKPC), where she leads the K-Academic Expansion Project (KAEP). Her research focus ranges from Korean philosophy and comparative philosophy to the philosophy of music. In addition to publishing widely in Korean and Chinese philosophy, she has developed several online courses on Coursera, including "Introduction to Korean Philosophy and Culture," "In Search for the Origins of Korean Philosophy," and "Korean Music: A Philosophical Exploration."Na Ha is Senior Researcher at the K-Academic Expansion Project (KAEP), affiliated with Institute of Korean Philosophy and Culture (IKPC) at Sungkyunkwan University. She earned her PhD in Korean philosophy from Sungkyunkwan University. Her dissertation, titled Seongho Yi Ik's Four—Seven Theory as the Convergence and Transfiguration of Toegye and Yulgok, explores the development of Korean Confucian emotional theory through the use of digital humanities.

• Acknowledgements So-Jeong Park: Preface: An Invitation to Understand and Tune Our Emotions Translator's Note Part I: Introduction Na Ha: Seongho Yi Ik and the Four-Seven Debate Youngsun Back: Seongho Yi Ik's Typology of Emotions Part 2: Translation - Main Essays Preface to The New Compilation of the Four Beginnings and Seven Emotions 1: The Meaning of the Four Beginnings 2: The Meaning of the Seven Emotions 3: Cases in Which the Four Beginnings Are Not Manifested in Proper Measure 4: The Seven Emotions of Sages and Worthies 5: The Four Beginnings and the Seven Emotions Have Similarities 6: The Seven Emotions Cut Across the Four Beginnings 7: The Four Beginnings and the Seven Emotions Have Differences 8: The Seven Emotions Are Simply the Human Mind 9: The Seven Emotions Listen to the Commands of the Four Beginnings 10: There is Also Nothing Bad in the Seven Emotions 11: The Seven Emotions Can Also Arise from the Dao Mind 12: The Ancients Held Divergent Views on Emotions 13: The Analogy of Riding a Boat 14: The Analogy of the Moon Reflected in Water 15: Further Explanation of the Horse-Riding Analogy 16: Explanation of the Diagrams Part 3: Translation - Supplementary Essays 17: Recorded Doubts While Reading Master Toegye's Letters 18: Recorded Doubts While Reading Gi Gobong's Theory of the FourDLSeven 19: Recorded Doubts While Reading Yi Yulgok's Letters 20: Postscript to Zhen Xishan's Interpretation of the Mencius 21: Epilogue 22: Supplementary Postscript Bibliography Glossary of Essay Titles Glossary of Names Glossary of Titles Index

Youngsun Back is Associate Professor in the Department of Confucian Studies and Eastern Philosophy at Sungkyunkwan University, Korea. Her research interest lies in the ethical and political dimensions of Chinese and Korean philosophy. Her recent publications include "The Mencian Theory of Royal Succession" (Philosophical Forum, 2024), "Yi Ik on Compassion and Grief" (Religions, 2023), and "Revealing Contingency through Shun's Ascension to the Throne" (Early China, 2020). Additionally, she co-edited Traditional Korean Philosophy: Problems and Debates (2016).So-Jeong Park is Professor of Korean Philosophy at Sungkyunkwan University and the Director of Institute of Korean Philosophy and Culture (IKPC), where she leads the K-Academic Expansion Project (KAEP). Her research focus ranges from Korean philosophy and comparative philosophy to the philosophy of music. In addition to publishing widely in Korean and Chinese philosophy, she has developed several online courses on Coursera, including "Introduction to Korean Philosophy and Culture," "In Search for the Origins of Korean Philosophy," and "Korean Music: A Philosophical Exploration."Na Ha is Senior Researcher at the K-Academic Expansion Project (KAEP), affiliated with Institute of Korean Philosophy and Culture (IKPC) at Sungkyunkwan University. She earned her PhD in Korean philosophy from Sungkyunkwan University. Her dissertation, titled Seongho Yi Ik's Four—Seven Theory as the Convergence and Transfiguration of Toegye and Yulgok, explores the development of Korean Confucian emotional theory through the use of digital humanities.

• Acknowledgements So-Jeong Park: Preface: An Invitation to Understand and Tune Our Emotions Translator's Note Part I: Introduction Na Ha: Seongho Yi Ik and the Four-Seven Debate Youngsun Back: Seongho Yi Ik's Typology of Emotions Part 2: Translation - Main Essays Preface to The New Compilation of the Four Beginnings and Seven Emotions 1: The Meaning of the Four Beginnings 2: The Meaning of the Seven Emotions 3: Cases in Which the Four Beginnings Are Not Manifested in Proper Measure 4: The Seven Emotions of Sages and Worthies 5: The Four Beginnings and the Seven Emotions Have Similarities 6: The Seven Emotions Cut Across the Four Beginnings 7: The Four Beginnings and the Seven Emotions Have Differences 8: The Seven Emotions Are Simply the Human Mind 9: The Seven Emotions Listen to the Commands of the Four Beginnings 10: There is Also Nothing Bad in the Seven Emotions 11: The Seven Emotions Can Also Arise from the Dao Mind 12: The Ancients Held Divergent Views on Emotions 13: The Analogy of Riding a Boat 14: The Analogy of the Moon Reflected in Water 15: Further Explanation of the Horse-Riding Analogy 16: Explanation of the Diagrams Part 3: Translation - Supplementary Essays 17: Recorded Doubts While Reading Master Toegye's Letters 18: Recorded Doubts While Reading Gi Gobong's Theory of the FourDLSeven 19: Recorded Doubts While Reading Yi Yulgok's Letters 20: Postscript to Zhen Xishan's Interpretation of the Mencius 21: Epilogue 22: Supplementary Postscript Bibliography Glossary of Essay Titles Glossary of Names Glossary of Titles Index

Youngsun Back is Associate Professor in the Department of Confucian Studies and Eastern Philosophy at Sungkyunkwan University, Korea. Her research interest lies in the ethical and political dimensions of Chinese and Korean philosophy. Her recent publications include "The Mencian Theory of Royal Succession" (Philosophical Forum, 2024), "Yi Ik on Compassion and Grief" (Religions, 2023), and "Revealing Contingency through Shun's Ascension to the Throne" (Early China, 2020). Additionally, she co-edited Traditional Korean Philosophy: Problems and Debates (2016).So-Jeong Park is Professor of Korean Philosophy at Sungkyunkwan University and the Director of Institute of Korean Philosophy and Culture (IKPC), where she leads the K-Academic Expansion Project (KAEP). Her research focus ranges from Korean philosophy and comparative philosophy to the philosophy of music. In addition to publishing widely in Korean and Chinese philosophy, she has developed several online courses on Coursera, including "Introduction to Korean Philosophy and Culture," "In Search for the Origins of Korean Philosophy," and "Korean Music: A Philosophical Exploration."Na Ha is Senior Researcher at the K-Academic Expansion Project (KAEP), affiliated with Institute of Korean Philosophy and Culture (IKPC) at Sungkyunkwan University. She earned her PhD in Korean philosophy from Sungkyunkwan University. Her dissertation, titled Seongho Yi Ik's Four—Seven Theory as the Convergence and Transfiguration of Toegye and Yulgok, explores the development of Korean Confucian emotional theory through the use of digital humanities.

• Acknowledgements So-Jeong Park: Preface: An Invitation to Understand and Tune Our Emotions Translator's Note Part I: Introduction Na Ha: Seongho Yi Ik and the Four-Seven Debate Youngsun Back: Seongho Yi Ik's Typology of Emotions Part 2: Translation - Main Essays Preface to The New Compilation of the Four Beginnings and Seven Emotions 1: The Meaning of the Four Beginnings 2: The Meaning of the Seven Emotions 3: Cases in Which the Four Beginnings Are Not Manifested in Proper Measure 4: The Seven Emotions of Sages and Worthies 5: The Four Beginnings and the Seven Emotions Have Similarities 6: The Seven Emotions Cut Across the Four Beginnings 7: The Four Beginnings and the Seven Emotions Have Differences 8: The Seven Emotions Are Simply the Human Mind 9: The Seven Emotions Listen to the Commands of the Four Beginnings 10: There is Also Nothing Bad in the Seven Emotions 11: The Seven Emotions Can Also Arise from the Dao Mind 12: The Ancients Held Divergent Views on Emotions 13: The Analogy of Riding a Boat 14: The Analogy of the Moon Reflected in Water 15: Further Explanation of the Horse-Riding Analogy 16: Explanation of the Diagrams Part 3: Translation - Supplementary Essays 17: Recorded Doubts While Reading Master Toegye's Letters 18: Recorded Doubts While Reading Gi Gobong's Theory of the FourDLSeven 19: Recorded Doubts While Reading Yi Yulgok's Letters 20: Postscript to Zhen Xishan's Interpretation of the Mencius 21: Epilogue 22: Supplementary Postscript Bibliography Glossary of Essay Titles Glossary of Names Glossary of Titles Index