I've been reading Rumi and Eckhart and Teresa of Avila and they all seem to be describing the same country I've never visited.
More people experience this than they realize.
Exposure to mystical literature reveals a consistent mapping of consciousness territories that the person recognizes but hasn't directly experienced.
“Where Are You with The perennial philosophy — shared mystical core across traditions?”
If this sounds familiar, the Library can help you find the bigger picture.