Note: (1) "Joke comes from thinking ..." Two sentences: It means that casual banter comes from thinking in the heart, and casual banter comes from thinking in the heart.
(2) Four sentences: refers to the sound coming from the body. Not from your own heart or unknown. Four branches, namely limbs.
(3) Don't doubt yourself: that is, don't doubt yourself, which means don't doubt yourself, which is the inversion of prepositional object.
(4) "Too much talk is not true ..." Two sentences: It means that these radical remarks are not inherent in people's minds, and radical actions are not the sincerity that people should have. Excessive, excessive; Too bad.
(5) "Lost in the sound ..." Four sentences: It means that you made a slip of the tongue and lost your mind, but you think you should. This is a false accusation of his true intention. Confused, confused.
(6) since: that is, since, is the inversion of the prepositional object.
(7) "Still from the heart ..." Four sentences: It means that some people think that their words and deeds are from the heart, but in fact their mistakes are due to a casual play; I also feel that I have not lost my sincerity because I just played around and didn't think seriously.
(8) "Those who don't know how to quit you ..." Two sentences: It means that you don't know what you are saying is from the heart, but you blame it on your random play that you don't think is from the heart.
(9) Nothing is more unwise than "being proud and not doing it ...": the habit of pride will increase day by day, and mistakes will continue. Dragon, encourage; Grow up. Hey, follow the trend; Follow.