"You ask if anyone has 'tested the concept.' But why would anyone test reality? Reality is not for testing, but for living with." - Matt Hughes

The insane had a tendency to cloak others in the strange garments they found hanging in the backs of their own mental wardrobes. So, for that matter, did the rest of us, but the consequences of error were usually less drastic.

“There was no indication of anything sinister?”
“No, though a truly sinister intrusion would be phrased in such a way as to appear not sinister.”
“That is not reassuring,” I said.

"Often, when a stranger says, 'Trust me,' a wise man puts his hand on his purse and backs away."