Never leave hold of what you've got until you've got hold of something else.
Never needlessly disturb a thing at rest.
Never offend people with style when you can offend them with substance.
Never play leapfrog with a unicorn.
Never put all your eggs in your pocket.
Never put off until tomorrow what you can do today. There might be a law against it by that time.
Never say "oops" after you have submitted a job.
Never sleep with anyone crazier than yourself.
Never tell them what you wouldn't do.