Is seeing really believing? Can experience always be trusted? What about a sincere friend, an authoritative expert, or an AI that answers with perfect confidence? In an age when truth and illusion are increasingly difficult to separate, perhaps the better question is not “Who should I believe?” but “What gives me good reason to believe?” BK17 explores the senses, memory, experience, human trust, and artificial intelligence—and asks how we can make sound judgments in an uncert