You try your luck, he told me. You make mistakes. You overdo and underdo and doggedly follow an imaginative line that yields nothing. Then something creeps in, an arguably stupid detail, a ridiculous gag, an embarrassingly bald ploy, and this opens out into the significant action that makes the mess an operation, rounded, pointed, structured, yet projecting the illusion of having been as spontaneously generated, as coincidental, untidy, and improbably probable, as life.