Never have children, only grandchildren. -- Gore Vidal
Never have so many understood so little about so much. -- James Burke
Never hit a man with glasses; hit him with a baseball bat.
Never insult an alligator until you've crossed the river.
Never invest your money in anything that eats or needs repainting. -- Billy Rose
Never keep up with the Joneses. Drag them down to your level. -- Quentin Crisp
Never kick a man, unless he's down.
Never laugh at live dragons. -- Bilbo Baggins
Never leave anything to chance; make sure all your crimes are premeditated.
Never lend your car to anyone to whom you have given birth. -- Erma Bombeck