Here is the formula for mastering any skill: it is consistency + self-assessment + action. The result? Mastery in the skill you have chosen. And what is mastery itself? Let’s take a closer look. Mastery is defined as “comprehensive knowledge or skill in a subject”. That means you know everything there is to know about a certain thing. Keep in mind that, as a rule, mastery comes from understanding your thing from every possible angle and perspective.