1. The document discusses different modes of thinking - focused and diffuse. Focused thinking involves familiar topics while diffuse thinking is for solving new problems and gaining new perspectives.
2. It emphasizes the importance of practice and repetition for learning through forming neural connections, as well as spacing out learning over time rather than cramming.
3. Procrastination should be avoided as it prevents the formation of strong neural structures for learning; the Pomodoro technique can help address procrastination.