Never put off till run-time what you can do at compile-time. -- D. Gries
Never put off till tomorrow what you can avoid all together.
Never put off until tomorrow what you can do the day after.
Never raise your hand to your children -- it leaves your midsection unprotected. -- Robert Orben
Never reveal your best argument.
Never say "Oops" in an operating room.
Never say you know a man until you have divided an inheritance with him.
Never sleep with a woman whose troubles are worse than your own. -- Nelson Algren
Never speak ill of yourself, your friends will always say enough on that subject. -- Charles-Maurice De Talleyrand
NEVER swerve to hit a lawyer riding a bicycle -- it might be your bicycle.