Here are 10 key lessons from "Mind Management, Not Time Management" by David Kadavy:

1. Optimize Your Mental Energy
Focus on managing your mental energy instead of trying to cram tasks into a set schedule. Work when your brain is at its peak for creative or complex tasks.

2. Embrace Creativity Cycles
Recognize and leverage the natural ebb and flow of your creativity. Use high-energy periods for creative work and low-energy times for routine tasks.

3. Separate Creative Work from Administrative Work
Avoid mixing creative thinking with administrative tasks to prevent cognitive overload and maintain focus.

4. Use Momentum to Your Advantage
Build momentum by starting small, easy tasks, which can help you transition into larger, more challenging projects.

5. Prioritize Flow Over Efficiency
Instead of focusing on productivity, aim to enter a state of flow where your best and most satisfying work happens.

6. Focus on Quality Time
Dedicate undistracted time to deep work rather than spreading your attention across multiple tasks or interruptions.

7. Break Work into "Work Sessions"
Divide your tasks into manageable sessions based on how long you can sustain focus, rather than forcing yourself to follow rigid time blocks.

8. Reframe Procrastination
Procrastination isn’t always bad—it can sometimes be a signal that you need more clarity or energy before tackling a task.

9. Develop a Task Hierarchy
Understand which tasks require high mental energy (creative or strategic) versus those that are less demanding (administrative or repetitive).

10. Redefine Productivity
Shift your mindset from doing more to doing better. Focus on meaningful work that aligns with your goals, values, and long-term vision.

These lessons encourage aligning your mental state and energy levels with the nature of your work, enabling you to achieve better results with less stress.