“The only means of “changing” men is the same as the means of “changing” nature: knowledge - which, in regard to men, is to be used as a process of persuasion, when and if their minds are active; when they are not, one must leave them to the consequences of their own errors” ChangeKnowledgePersuasionChange The WorldChange Mankind Book:Philosophy: Who Needs It Source: Philosophy: Who Needs It