And it was a good rule you made about not drinking.

A good rule of thumb is that the higher the model number, the better.

A good rule of thumb is to ask yourself a few key questions, "What can go wrong?"

Restraint in all things is a good rule to live by.

A good rule is to only put a few pieces of art on a page.

Board him in the smoke: a good rule when you are not sure what to do next.

All of these were good rules, but ones that led to confusion.

It's also a good rule to have your car tuned up before taking a trip.

It's a good rule, but I think it needs to be looked at a little more closely.

A good rule I've developed and don't follow enough is when in doubt, make a list.