To the Sabbath! To the Sabbath!' they cried. 'On to the Witches' Sabbath!" Up and down that narrow hall they danced, the women on each side of him, to the wildest measure he had ever imagined, yet which he dimly, dreadfully remembered, till the lamp on the wall flickered and went out, and they were left in total darkness. And the devil woke in his heart with a thousand vile suggestions and made him afraid.
Best Ghost Stories of Algernon Blackwood (ed. Courier Corporation, 2013) - ISBN: 9780486317489