Mastery is a mindset that requires focus, practice, and feedback to continually improve one's skills and abilities. It involves setting clear goals, identifying key habits and skills to focus on, and practicing well to achieve excellence in a particular field or profession. The pursuit of mastery can lead to increased motivation, purpose, and meaning in life, as well as improved performance and achievement. To start this pursuit, it is essential to develop the ability to focus on what's important, practice well, and seek feedback from others. By adopting a craftsmanship mindset and applying these principles, individuals can overcome the challenges of modern work and create a sense of purpose and fulfillment in their careers.