Analogy works best when it's short and pithy. The amount of text devoted to the 'analogy' should definitely not be allowed to grow several times longer than t

Analogy works best when it's short and pithy. The amount of text devoted to the 'analogy' should definitely not be allowed to grow several times longer than the exposition it's supposed to illustrate. By then things have gone long past the point where useful rhetorical glossing morphs into incontinent self-absorbed dithering.