“HERE’S WHAT I DON’T GET about an experience like Bob Jesse’s: Why in the world would you ever credit it at all? I didn’t understand why you wouldn’t simply file it under “interesting dream” or “drug-induced fantasy.” But along with the feeling of ineffability, the conviction that some profound objective truth has been disclosed to you is a hallmark of the mystical experience, regardless of whether it has been occasioned by a drug, meditation, fasting, flagellation, or sensory deprivation. William James gave a name to this conviction: the noetic quality. People feel they have been let in on a deep secret of the universe, and they cannot be shaken from that conviction. As James wrote, “Dreams cannot stand this test.” No doubt this is why some of the people who have such an experience go on to found religions,”