Deep work is the ability to focus without distraction on a cognitively demanding task. It's a skill that allows you to quickly master complicated information and produce better results in less time.

In our modern world, deep work is becoming increasingly rare, while at the same time, it is becoming increasingly valuable in our knowledge economy. As a result, the few who cultivate this skill, and then make it the core of their working life, will thrive.

Most people spend their days in a state of "shallow work"—non-cognitively demanding, logistical-style tasks, often performed while distracted. These efforts tend to not create much new value in the world and are easy to replicate.

To truly excel, we must commit to prolonged periods of unbroken concentration. This means shutting down notifications, setting clear boundaries, and training our minds to comfortably handle intense focus.