Let the refining and improving of your own life keep you so busy that you have little time to criticize others.
H. Jackson Brown, Jr. 

Life consists not in holding good cards but in playing those you hold well.
Josh Billings 

Live truth instead of professing it.
Elbert Hubbard (1856-1915) 

Never be unfaithful to a lover, except with your wife.
P. J. O'Rourke 

Never express yourself more clearly than you are able to think.
Niels Bohr (1885-1962) 

Never go to a doctor whose office plants have died.
Erma Bombeck 

Never go to bed angry. Stay up and fight.
Phyllis Diller 

Never judge a book by its movie.
J. W. Eagan 

Never judge someone by who he's in love with; judge him by his friends. People fall in love with the most appalling people. Take a cool, appraising glance at his pals.
Cynthia Heimel 

Never moon a werewolf.
Mike Binder