1. Wisdom is prevention.

2. The fundamental algorithm of life: repeat what works.

3. The wise of every generation discover the same truths.

4. Avoid distraction.

5. Spend time thinking.

6. Position yourself for opportunity.

7. Invert: Much of success comes from simply avoiding common paths to failure.

8. Avoiding stupidity is easier than seeking brilliance.

9. The weakest link causes the problem.