First, it is similar to "the world is famous without persuasion, the world is not depressed, depending on the internal and external points, depending on the realm of honor and disgrace."

People all over the world praise him, so he won't work harder. People all over the world criticize him, so he won't be more depressed. He made clear the difference between himself and the outside world, and distinguished the boundaries between honor and shame, but that's all! It is similar to what Dante said, "Go your own way and let others talk".

3. Happy Travel is the first article of Zhuangzi, which can be regarded as the representative of Zhuangzi both ideologically and artistically. The theme of happy travel is to pursue the outlook on life of absolute freedom.