‘How excellent a thing is sleep,’ sighed Sancho Panza; ‘it wraps a man round like a cloak’—an excellent example, by the way, of how to say a thing concretely: a Jargoneer would have said that ‘among the beneficent qualities of sleep its capacity for withdrawing the human consciousness from the contemplation of immediate circumstances may perhaps be accounted not the least remarkable.’ How vile a thing—shall we say?—is the abstract noun!