“乐”(Lè)作为一种未经区分、高度概括、简约的适意性、愉悦性表达,与音乐有着紧密的联系,它不同于《尼各马可伦理学》与现代汉语中的快乐、幸福,是一个比快乐、幸福内涵更加丰富的概念。“圣”是《孟子》中君子之“乐”的指向,“圣”与君子之“乐”交融互摄,使君子之“乐”的意义与价值得以彰显,君子之“乐”集中体现于人“事”关系之中。“诚”的实现与沉思活动相似,都可以带来“乐”、快乐、幸福等正面心理感受,都强调“思”的作用,且都有超越存在者的预设。但孟子之“思”是饱含情感的“诚”思而不是沉思,“诚”之“乐”需在“行”与“事”中实现;“诚”具备形上观念品格,而沉思不具备;沉思需要一定物质条件以保证闲暇,而“诚”不需要。 “L ” Music “(Lè) as a kind of without distinction, highly summarized, Happy, happy, is a more happy, more connotation of happiness conception. ”Saint “ is the ”“ of the gentleman in Mencius ”“, ”Saint “ and the gentleman Show, the gentleman’s ”music “ is embodied in the relationship between people ”things “. The realization of ”honesty“ is similar to that of contemplation, which can bring positive feelings such as happiness, happiness and so on, emphasizing the role of thinking and transcending preconceived ideas of being. However, Mencius ’s ”thinking “ is full of emotional ”honesty “ thinking rather than contemplation, ”honesty “Honesty” has the concept of metaphysics, and contemplation does not have; pondering need some material conditions to ensure leisure, and “honest” does not need.