Related:

• Never say "Oops" in an operating room.
• Never trust an operating system.
• Troy: Hello, I'm Troy McClure. You may remember me from such movies as `Cry, Yuma' and `Here Comes the Coast Guard'!
  But today I'd like to tell you about a pleasant-tasting candy that actually cleans and straightens your teeth!...
• Never say anything more predictive than "Watch this!" -- First Law of Frisbee.
• Second-rate people hire third-rate people. -- Leo Rosten's law
• Nick: Hi, everybody! Crowd: Hi, Dr. Nick! Nick: If something should go wrong, let's not get the law involved!
  One hand washes the other. Oh, that reminds me!...
• Never say no.
• Announcer: Which popular "Simpsons" characters have died in the past year?
  If you said Bleeding Gums Murphy and Dr. Marvin Monroe, you are wrong...