Read the passage from A Room of One’s Own . And one gathers from this enormous modern literature of confession and self-analysis that to write a work of genius is almost always a feat of prodigious difficulty. Everything is against the likelihood that it will come from the writer's mind whole and entire. Generally material circumstances are against it. Dogs will bark; people will interrupt; money must be made; health will break down . What is the purpose of the rhetorical device used in the underlined sentence?