It is impossible to speak in such a way that you cannot be misunderstood

From Unended Quest: An Intellectual Autobiography by Karl Popper. Page 29

Always remember that it is impossible to speak in such a way that you cannot be misunderstood: there will always be some who misunderstand you.

And there will be even more who deliberately choose to misunderstand you. The man in search of truth will always be at risk from the man of conviction.