When you're very young and you learn something - a fact, a piece of information, whatever - it doesn't connect to anything.
Norton JusterYou see, it's really quite simple. A simile is just a mode of comparison employing 'as' and 'like' to reveal the hidden character or essence of whatever we want to describe, and through the use of fancy, association, contrast, extension, or imagination, to enlarge our understanding or perception of human experience and observation.
Norton JusterHow can you see something that isn't there?" yawned the Humbug, who wasn't fully awake yet. "Sometimes, it's much simpler than seeing things that are,"he said. "For instance, if something is there, you can only see it with your eyes open, but if it isn't there, you can see it just as well with your eyes closed. That's why imaginary things are often easier to see than real ones." "Then where is Reality?" barked Tock. "Right here,"cried Alec, waving his arms.
Norton Juster