Proclaiming false understanding may get attacked through dialectic processes, nonetheless developing understanding in the process (ref).
For example: claiming , even though you aren’t sure of it, can invite people to explain why is better, increasing the overall understanding of the situation.
You may talk with bold assertions, and when your interlocutors says that they don’t believe you, that is a very good thing: that is a point to what you should focus on (ref, 240725_1132).