There is something so wild, and yet so solemn, in the speeches of his ghosts, fairies, witches, and the like imaginary persons, that we cannot forbear thinking them natural, though we have no rule by which to judge of them, and must confess, if there are such beings in the world, it looks highly probable they should talk and act as he has represented them.

Forty Thousand Quotations: Prose and Poetical (1917)