"Whenever Man was unable to master his invoice with this bare hands, thought Leeming, the said environment got bullied or coerced into submission by Man plus X. That had been so from the beginning of time—Man plus a tool or a weapon. But X did not have to be anything concrete or solid, it did not have to be lethal or even visible. It could be a dream, an idea, an illusion, a bloody big thundering lie, just anything. There was only one true test—whether it worked."