“Curiosity and levity.”
“May harm come of that?”
“Very serious harm.”
“What sort of harm?”
“You may call up forces over which you have no control.”
“Evil forces?”
“Undeveloped forces.”
“You say they are dangerous. Dangerous to body or mind?”
“Sometimes to both.”
There was a pause, and the blackness seemed to grow blacker still, while the yellow-green fog swirled and smoked upon the table.