What does this quote mean opportunity is missed by most people because it is dressed in overalls and looks like work?

This quote suggests that many people overlook opportunities because they often require hard work and effort, which can be daunting. Instead of recognizing the potential for growth and success, they shy away from tasks that seem laborious. It emphasizes the idea that valuable opportunities may not always present themselves in an appealing way, and that embracing challenges is crucial for achieving one's goals. Ultimately, it encourages a mindset that values diligence and perseverance in pursuit of success.