Listen now (6 min) | Albert Einstein knew how to work hard, and he also knew when to take time off. He once said, "I have no special talents. I am only passionately curious." Einstein's curiosity drove him as a child, adult and older man to pursue scientific ideas and projects that are still applicable today, such as his famous Theory of Relativity. His life and approach to work, as detailed by Walter Isaacson, offers many lessons if you want to become more productive.