What’s a story of someone who found a way to achieve success by working smarter, not harder?

The story of Thomas Edison is an excellent example of someone who achieved success by working smarter, not harder. Despite his lack of formal education, Edison was able to invent and patent countless inventions that changed the world. He also developed a unique approach to problem-solving known as *trial and error*, which allowed him to come up with solutions more quickly and accurately than other inventors.