To be fair, people at Trump's social media team were not the only ones who screwed it up. The Republican National Commitee's official Twitter account shared the same picture. "His leadership brought us together; his legacy inspires us still. Happy Birthday, President Lincoln!" the post read. The tweet was eventually deleted, but not before multiple media outlets pointed out the RNC's error. James Cornelius, curator of the Lincoln Collection at the Abraham Lincoln Presidential Library and Museum, told The New York Times that there's no evidence President Lincoln ever said these words. So where did the quote came from? According to Garson O’Toole, the author of Hemingway Didn’t Say That: The Truth Behind Familiar Quotations and the person behind the website Quote Investigator , the words can be traced to a man named Edward J. Stieglitz. Back in 1947, an advertisement for Stieglitz’s book, The Second Forty Years, included the phrase: "The important thing to you is not how many years in your life, but how much life in your years!" Maybe the Trump team should start hiring some fact-checkers alongside those copy editors to avoid more mistakes.