James Randi Believing Quotations

I don't doubt the sincerity of dowsers, but even after we've demonstrated that they can't produce results that are any better than chance they'll still go away believing in their abilities, ... It is like the mother whose son is caught shoplifting on tape. She wonders why someone would want to frame her child by producing a fake video.

I have been through similar situations where believers will insist on believing despite the evidence no matter how strong that is.