" At length he spoke; without moving or lifting up his face. “Here again!” he said. “Here again,” replied the Phantom. “I see you in the fire,” said the haunted man; “I hear you in music, in the wind, in the dead stillness of the night.” The Phantom moved its head, assenting. “Why do you come, to haunt me thus?” “I come as I am called,” replied the Ghost. “No. Unbidden,” exclaimed the Chemist. “Unbidden be it,” said the Spectre. “It is enough. I am here. "

― Arnold Bennett , 30 Occult & Supernatural Masterpieces you Have to Read Before you Die