Today we find "The Fallacy Files: Taxonomy of Logical Fallacies". Very handy. You may still be wrong but you won't immediately expose yourself as an idiot!* I owe someone a big 'ol hat tip on this but forgot where it came from. Email and we will erect a statue (virtual) in your honor. How many hooves should be on the (virtual) ground?**
...It's been attributed to many persons, but seems to have its roots in the Bible:
It is better to remain silent and be thought a fool, than to open your mouth and remove all doubt . -- George Eliot Better to remain silent and be thought a fool than to speak out and remove all doubt.-- Abraham Lincoln (also attr. Confucius) It is better to keep your mouth closed and let people think you are a fool than to open it and remove all doubt.-- Mark Twain (1835-1910) Even a fool, when he holdeth his peace, is counted wise: and he that shutteth his lips is esteemed a man of understanding. -- Bible, 'Proverbs' 17:28.
There are no citations for Lincoln or Twain. I have my doubts about Confucius.