With hidden powers of unknown extent apparently at his disposal, Curwen was not a man who could safely be warned to leave town.
H. P. LovecraftThe one test of the really weird (story) is simply this--whether or not there be excited in the reader a profound sense of dread, and of contact with unknown spheres and powers; a subtle attitude of awed listening, as if for the beating of black wings or the scratching of outside shapes and entities on the known universe's utmost rim.
H. P. Lovecraft