Picture this: It’s 2027. You got the promotion you wanted. Congrats! Not because you suddenly became someone else. Because you kept learning, kept growing, and kept saying yes to the skills that got you ready. 2026 you is so proud. It’s not too late to start.

Understand something well enough that you can explain it. Test it with three checks: 1. One sentence - Can you summarize it in a single line? 2. One example - Can you show what it looks like in action? 3. One use case - Can you name a real situation where it applies?