Page:Chesterton - The Man Who Was Thursday.djvu/307

 like a man talking to himself, "that has been for me the mystery of Sunday, and it is also the mystery of the world. When I see the horrible back, I am sure the noble face is but a mask. When I see the face but for an instant, I know the back is only a jest. Bad is so bad, that we cannot but think good an accident; good is so good, that we feel certain that evil could be explained. But the whole came to a kind of crest yesterday when I raced Sunday for the cab, and was just behind him all the way."

"Had you time for thinking then?" asked Ratcliffe.

"Time," replied Syme, "for one outrageous thought. I was suddenly possessed with the idea that the blind, blank back of his head really was his face—an awful, eyeless face staring at me! And I fancied that the figure running in front of me was really a figure running backwards, and dancing as he ran."

"Horrible!" said Dr. Bull, and shuddered.

"Horrible is not the word," said Syme. "It was