Success means different things to different people. Some believe it's all about working harder than everyone else. Others think luck, talent, or intelligence makes the biggest difference. But if someone asked you to reduce success to just three simple ingredients, what would make your list?The Father of Modern Physics, Albert Einstein, offered an answer to that question in a playful way more than a century ago. His formula wasn't just about hard work. It also included two other elements that many people often overlook, and together, they paint a surprisingly practical picture of what it takes to build a meaningful...