Core Viewpoint - The book "Popular Philosophy" by Ai Siqi aims to make Marxist philosophy accessible to the general public, emphasizing that philosophy is not mysterious and can be found in everyday life [4][5][8]. Summary by Sections Book Overview - "Popular Philosophy" is a revised edition published by Renmin University Press, intended to help readers engage with philosophical concepts [3]. - The book originated from lectures given by Ai Siqi in the 1930s, aimed at educating the public on progressive philosophical ideas [4][5]. Content and Approach - The book uses accessible language to explain Marxist philosophical principles, making complex ideas understandable for a broader audience [5][6]. - Ai Siqi employs relatable examples and metaphors to clarify philosophical concepts, such as using "the 72 transformations of Sun Wukong" to discuss the relationship between phenomena and essence [6][8]. Historical Impact - "Popular Philosophy" has had a significant influence, with over 30 editions published before the founding of New China, and it was revised for a more comprehensive structure post-1949 [5][8]. - The book is recognized for pioneering the approach of writing introductory philosophy in a popular style in China [5]. Relevance and Modern Application - The text reflects Ai Siqi's deep philosophical research and practical experience, addressing the philosophical needs of the public and responding to contemporary issues [8][9]. - The ongoing relevance of Marxist philosophy is highlighted, emphasizing its role as a tool for analyzing historical and contemporary problems [9].