 Perhaps the motto of A Discourse of Free-Thinking ought to be “Where experts disagree, any person is free to reason for themselves”. Collins is chiefly concerned with religion, so the vast bulk of the disagreements he cites have to do with religious issues, from whether one religion is better than another, down to the details of Anglicanism. Looking at conflicting claims often leads to skepticism. Where exactly this approach leads Collins is a question that we will have to consider.