It is also true that the less competent a person is in a given domain, the more he will tend to overestimate his abilities. This often produces an ugly marriage of confidence and ignorance that is very difficult to correct for.
Sam HarrisThe problem is not that religious people are stupid. It's not that religious fundamentalists are stupid. I happen to think that you can be so well educated that you can build a nuclear bomb, and still get--and still believe that you will get the 72 virgins in paradise--that is the problem. The problem is that--religion--because it has been sheltered from criticism as it has been--allows people--perfectly sane, perfectly intelligent people--to believe en masse, what only idiots or lunatics could believe in isolation.
Sam Harris