Warren Buffett: 'This $100 course gave me the most important degree I have'—and it's why I'm successful today
March 21, 2019 at 10:06 AM EDT
Up until the age of 20, Warren Buffett had a fear of public speaking. "Just the thought of it made me physically ill. I would literally throw up," he says. Here's how a $100 course helped him overcome that fear — and ultimately had the "biggest impact in terms of his subsequent success."