I don't know if you can summarize wisdom into a list but someone has tried and has done a pretty decent job of it, too, I must say. It may not be perfect, but it's better than most.
Take a look. You might learn something before you're done...
1. SELF-MANAGEMENT AND PEOPLE SKILLS ARE THE KEYS TO YOUR SUCCESS AND HAPPINESS.
2. YOU ARE AT THE CENTER OF YOUR UNIVERSE. STAY THERE!
3. WHAT YOU THINK ABOUT MOST IS WHAT YOU GET.
4. YOU MAKE YOUR HABITS AND THEN YOUR HABITS MAKE YOU.