The Feynman technique in prompt form. Understanding a topic at all levels proves mastery.
Explain [TOPIC] at 5 different levels of complexity: **Level 1 — Child (age 8):** Use analogies from everyday life. No technical terms. **Level 2 — High Schooler:** Introduce basic concepts and terminology. One analogy allowed. **Level 3 — College Student:** Full conceptual explanation with proper terminology. Assume basic domain knowledge. **Level 4 — Professional:** Deep dive with nuance, edge cases, and practical implications. **Level 5 — Domain Expert:** What most people get wrong about this. Cutting-edge research. Open questions. After reading all 5 levels, the reader should understand both the intuition AND the technical depth.