Freedom of thought is aimed at ideological constraints, does not believe in newspapers or other people's ideas, and reflects the innovation and independence of ideas. The latter's famous saying is: I think therefore I am! You should try your best to think a lot, not know a lot! The famous sayings of freedom of thought include the spirit of freedom of thought and so on. In order to explain the greatness of thought, we must first make clear the role of thought in human civilization, the social form and the development process of thought it reflects, and at the same time express wrong thoughts and how to cultivate correct ideological values. In short, many speeches are well divided. I wish you success in your speech!