Over at Daylight Atheism, Ebonmuse points out the practice and problems of using testimonials in lieu of trustworthy evidence. It's part of his series on critical thinking. On an almost-related matter, see this DI post on what it means to be "certain."
David Hume made the argument that the various claims of miracles made by conflicting religions serve as evidence that no such claims are true. The topic is thoughtfully discussed by Ebonmuse at Daylight Atheism: In other words, Hume says, the conflicting miracle claims of various religions cancel each other out.…