The book helps readers understand more about the art of speaking, especially the necessary qualities that need to be cultivated to become a person with personality and persuasiveness in daily speaking and communication. When communicating, do not have a "teacher" tone, do not be pretentious, do not mock, do not speak negatively, do not be hasty, do not argue... but must speak less, know how to listen,...

Leader 4.0 You may have become a manager because you have succeeded through dedication as an individual. You have done your job well, completed it on time, and developed the skills, techniques, and expertise that allow you to perform at an outstanding level. Now, you have been asked to take on an important role.