Instead of quoting a historical figure like Adam Smith, Daniel Kahneman or John Maynard Keynes, legendary investor Warren Buffett believes the most consequential words on modern economics came from a surprising source: former U.S. President George W. Bush. At the height of the 2008 financial crisis, Bush said: “If money isn’t loosened up, this sucker could go down!” Buffett deemed this quip “the 10 most important words in the history of economics,” he told billionaire Dan Gilbert during an interview at the Detroit Homecoming event at the College for Creative Studies in 2014. Here’s why Buffett believes these words had...