Storm
ThrUU the Looking Glass
I would argue that trance states fall under this category.A belief should have a strength of evidence which can be independently verified and accepted by unbiased external sources if it is to be deemed knowledge.
Any neurologically healthy person can acheive one. Learning is tricky, but within everyone's grasp. Further, neurotheology has begun to explore their nature reinforcing my instinct that anyone can learn.
Will details and interpretations differ? Of course, but that doesn't invalidate the foundation.