On Confusing Belief with Truth and Repition with Examination

“In religion and politics people's beliefs and convictions are in almost every case gotten at second-hand, and without examination, from authorities who have not themselves examined the questions at issue but have taken them at second-hand from other non-examiners, whose opinions about them were not worth a brass farthing”
-Mark Twain, Autobiography

I know its true ‘cause I just read it on a blog and heard Rush Limbaugh talk about it.