This book is a collection of prose essays by the famous writer Lin Qingxuan. It takes "past events in the world" as the theme and is divided into three volumes: "The Feeling of the River", "The Sprouting Mood" and "Warming a Pot of Moonlight and Drinking Wine". It recalls past stories and expresses the vicissitudes of the world. This book is beautifully written, sincere and full of philosophy and speculation. It reflects the author's humanistic care and guides readers to think and explore the value and meaning of life.