PROVERBS WITH THE TITLE : "caution"
He should have a long spoon that sups with the devil.
said to mean that:
Penny wise and pound foolish.
Score twice before you cut once.
To lock the stable-door after the horse is stolen.
Discretion is the better part of valor.
it means that:
The man who has once been bitten by a snake fears every piece of rope.
Be on the safe side
meaning that you must:
When in doubt, do nowt