In company guard your tongue; in solitude guard your heart./群处守嘴，独处守心

The greatest wisdom in life is to speak without recklessness yet never fail to speak rightly and never to be confused within.不妄言、不失言，不乱于心，是终其一生的大智慧。The ancient admonition In company guard your tongue; in solitude guard your heart aims to teach us this: When with others we must watch our words. Before speaking think twice-or thrice-and open your mouth only when sure your words will cause no offense. When alone we must constantly guard our hearts not allowing others' opinions to sway our true thoughts nor being seduced by this materialistic world to the point of losing ourselves.Guarding our tongue in company allows us to build friendships far and wide paving the way for harmonious relationships. Guarding our heart in solitude however is meant for self-improvement to achieve the ideal of Cultivating oneself regulating the family governing the state and bringing peace to the world. This book is divided into two parts focusing respectively on guarding the tongue in company and guarding the heart in solitude. Externally it aims to enhance our social skills; internally it guides us to follow our true hearts and bravely be ourselves. By mastering the techniques and methods in this book we can truly become a version of ourselves that aligns more closely with our deepest aspirations.古人云群处守嘴，独处守心，其实就是想告诫我们：在与他人相处的时候，要管住自己的嘴。说话之前不妨再三考虑，确定没有问题，不会因此得罪别人之后再开口。在一个人独处时，就要时刻管住自己的内心，不因外人的意见影响到自己的真实想法，更不要被这个物欲横流的环境所诱惑，从而迷失了自己。群处守嘴，就是为了让我们交友遍天下，为我们的人际关系铺平道路。独处守心，却是为了提高自我，达成修身、齐家、治国、平天下的理想。本书分为两个部分，从群处守嘴和独处守心两个方面入手，对外提高我们人际交往的能力，对内遵循本心，勇敢做自己。只要掌握本书的技巧和方法，相信我们会变成一个更加符合心意的自己。