知足,是指满足于已经得到的一切。 常乐,即常怀乐意,这是一种健康的心理状态。 知足常乐,是说人应当清新寡欲,淡泊名利。对物质利益不要过多地去追求,对自己所获得的东西要满足,不去作非分之想。人活在世上要多为他人做好事,这样才能有利于身心健康。《老子》四十四章就有:“知足不辱”之论,意思是知道满足就不会受到羞辱,用以劝人不要贪得无厌。从养生角度讲,知足常乐、笑口常 Contentment means contentment that has been achieved. Often happy, that is always happy, this is a healthy state of mind. Contentment, is to say that people should be fresh and widowed, indifferent to fame and fortune. Do not over-pursue material interests, satisfy what you have acquired, and do not make non-stop thinking. People living in the world to do more good for others, so as to be conducive to physical and mental health. “I” forty-four chapters have: “contentment does not insult” theory, that is, knowing that will not be subject to humiliation, to persuade people not insatiable. From a health point of view, contentment, laughter