1.  Care about what other people think, and you will always be their prisoner. Lao Tzu 
2.  It’s never too late to be what you might have been. George Elliot (Mary Ann Evans)
3.  Our life is what our thoughts make it. Marcus Aurelius 
4.  Thinking is difficult, that’s why most people judge. Carl Jung.
5.  “Be who you are and say what you feel because those who mind don’t matter, and those who matter don’t mind.” Dr. Seuss
6. “Age is an issue of mind over matter. If you don’t mind, it doesn’t matter.” Mark Twain
7. “The coldest winter I ever spent was a summer in San Francisco.” Mark Twain
8.  “Insanity is doing the same thing over and over again and expecting different results.” Albert Einstein
9.  “The ends justify the means.” Niccolo Machiavelli
10.  “Let them eat cake.” Marie Antoinette

Okay, most of us have used a few of these, and we have continued the falsehood. In truth, the thoughts are valid, and might have been said by the individuals. Yet many scholars would rather put “Anonymous” as the contributor.

Obviously someone did come up with the words, but I would prefer the more correct, “Unknown”.