: Understand why you forget. Use spaced repetition—spreading your study sessions over time—rather than cramming, to make knowledge stick long-term.
: Dig deep before building up. Avoid shallow memorization. Use techniques like the Feynman Technique —explaining a concept as if teaching it to someone else—to find gaps in your understanding. Ultralearning By Scott H. Young Pdf
: Go straight to the source. If you want to learn to speak a language, speak it; don't just use apps. If you want to code, build a real project. : Understand why you forget
His story isn't just about speed; it's a playbook for a "self-directed and intense" way of mastering any hard skill. Through his own experiments—like a year spent learning four languages (Spanish, Portuguese, Mandarin, and Korean) without speaking a single word of English—Young identified nine core principles that turn ordinary learners into "ultralearners". The 9 Principles of Ultralearning Avoid shallow memorization