"Yes," he said in a voice indescribable, "you are right. I am afraid of him. Therefore I swear by God that I will seek out this man whom I fear until I find him, and strike him on the mouth. If heaven were his throne and the earth his footstool, I swear that I would pull him down."
"How?" asked the staring Professor. "Why?"
"Because I am afraid of him," said Syme; "and no man should leave in the universe anything of which he is afraid."
~G.K. Chesterton: in The Man who was Thursday: A Nightmare, Chap. VIII.─The Professor Explains.