Here’s another thing that everybody knows, but turns out to be false. The gadget blog Gizmondo reports that Einstein Actually Had Excellent Grades.
From the article:
Contrary to popular belief, Einstein wasn’t a bad student at all. Apparently, that’s something that real bad students made up, because he got excellent grades. His certificate of qualification for university matriculation demonstrates this.
…
Einstein started going to school at age six, in 1885, where he got brilliant report cards
This myth is everywhere. In fact, the non-profit The Foundation For A Better Life even made a billboard campaign out of it:

If you pick up your own copy of Failure: The Secret to Success, you’ll note that this is a common theme. There are tons of stories that we all “know” to be true, such as George Washington and the cherry tree. Many of these claims are actually false.
As Mark Twain once wrote:
It ain’t what you don’t know that gets you into trouble. It’s what you know for sure that just ain’t so.
Explore why failure is the secret to success. Learn more about what everyone insists is true, but actually is false—and what this discovery can mean.