Establish a realistic sense of your own knowledge

Most of us overestimate our understanding of various subjects, known as the 'illusions of explanatory depth.' When you make an effort to explain a relevant issue or topic to yourself or someone else in detail, it will reveal the gaps in your knowledge and expose the illusion of expertise.

This exercise can be simplified by spending a few seconds reflecting on your ability to explain a given issue to a real expert in a step-by-step manner.