"All right, then; that letter I wrote is a shirt, and the welkin's the
ruffle on it."

I judged that that would gravel Jim, and it did.

"Now, Mars Tom, it ain't no use to talk like dat; en, moreover, it's
sinful. You knows a letter ain't no shirt, en dey ain't no ruffles on it,
nuther. Dey ain't no place to put 'em on; you can't put em on, and dey
wouldn't stay ef you did."

"Oh DO shut up, and wait till something's started that you know something
about."

"Why, Mars Tom, sholy you can't mean to say I don't know about shirts,
when, goodness knows, I's toted home de washin' ever sence--"

"I tell you, this hasn't got anything to do with shirts. I only--"

"Why, Mars Tom, you said yo'self dat a letter--"

"Do you want to drive me crazy? Keep still. I only used it as a
metaphor."

That word kinder bricked us up for a minute. Then Jim says--rather timid,
because he see Tom was getting pretty tetchy:

"Mars Tom, what is a metaphor?"

"A metaphor's a--well, it's a--a--a metaphor's an illustration." He see