Don't mind him, he's talking through a hole in his head.

My wife said that to my dad some years ago and he thought it over for a while and then said to me "Your mouth IS a hole in your head"
Good one dad. You're as sharp as a bowling ball.

("Sharp as a bowling ball" - Is that another one just slipped out Brucie?)

Failure requires no preparation
or
Failing to prepare is preparing to fail

I'm sure there are more. I'Ll give it some thought.