He knew clearly enough that his imagination was growing traitor to him, and yet at times it seemed the ship he sailed in, his fellow-passengers, the sailors, the wide sea, were all part of a filmy phantasmagoria that hung, scarcely veiling it, between him and a horrible real world. Then the Porroh man, thrusting his diabolical face through that curtain, was the one real and undeniable thing. At that he would get up and touch things, taste something, gnaw something, burn his hand with a match, or run a needle into himself.("Pollock And The Porrah Man")