A cultic group recently commited because they though there was a spaceship following behind the Halle-Bopp Comet. It was supposed to pick them up and take them to a higher level, a better place. So they took their lives. I think this came from someone who just had a notion. The imagination is much more seductive and deceptive than people think.
Imagination causes panic and riots.
Imaginations and notions cause real sickness and make real cures for sicknesses ineffective. Some baseless unfounded speculation can lay you flat on your back, paralyze you and make you completely helpless. Things people imagine and think up can be considered a revelation sent down fromgod to inform not only us, but also others we are commissioned to tell. Then futile speculations can be aggressively proclaimed and made convincing by the determination and talents of the persons who proclaim them. Thus men can imagine that little gods do big things.