A brief episode to assist in your search for meaning:
The Adventures of Tom Sawyer
A Glimpse of Treasure
About noon the next day the boys arrived at the dead tree; they had come for their tools. Tom was impatient to go to the haunted house; Huck was measurably so, also— but suddenly said:
"Lookyhere, Tom, do you know what day it is?"
Tom mentally ran over the days of the week, and then quickly lifted his eyes with a startled look in them—
"My! I never once thought of it, Huck!"
"Well, I didn't neither, but all at once it popped onto me that it was Friday."
"Blame it, a body can't be too careful, Huck. We might 'a' got into an awful scrape, tackling such a thing on a Friday."
"Might! Better say we would! There's some lucky days, maybe, but Friday ain't."
"Any fool knows that. I don't reckon you was the first that found it out, Huck."
"Well, I never said I was, did I? And Friday ain't all, neither. I had a rotten bad dream last night— about rats."
"No! Sure sign of trouble. Did they fight?"
"Well, that's good, Huck. When they don't fight it's only a sign that there's trouble around, you know. All we got to do is to look mighty sharp and keep out of it. We'll drop this thing for to-day, and play.....