Local wisdom, will vary by region.

* Never ask a barber if you need a haircut.
* If you get to thinkin' you're a person of some influence, try orderin' somebody else's dog around.
* Don't worry about bitin' off more'n you can chew; your mouth is probably a whole lot bigger'n you think.
* Always drink upstream from the herd.
* Generally, you ain't learnin' nothing when your mouth's a-jawin'.
* Tellin' a man to git lost and makin' him do it are two entirely different propositions.
* If you're ridin' ahead of the herd, take a look back every now and then to make sure it's still there with ya.
* Good judgment comes from experience, and a lotta that comes from bad judgment.
* When you give a personal lesson in meanness to a critter or to a person, don't be surprised if they learn their lesson.
* When you're throwin' your weight around, be ready to have it thrown around by somebody else.
* Lettin' the cat outta the bag is a whole lot easier than puttin' it back.
* Always take a good look at what you're about to eat. It's not so important to know what it is, but it's sure crucial to know what it was.
* The quickest way to double your money is to fold it over and put it back into your pocket.
* You can't tell how good a man or a watermelon is 'til they get thumped.(Character shows up best when tested.)
* Never miss a good chance to shut up.