We should all make our own list.

1. Know how to find food in the wild and to prepare and preserve it.
2. How to find/save water.
3. How to find clothing materiel and prepare it for all seasons.
4. How to find/build shelter.

Now, to civilization:
5. How to unstop a sink or toilet.
6. How to drive.
7. How to comfort the living.
8. How to comfort the dying.
9. How to say no.
10. When to say yes.
11. How to take care of The Inner Self.
12. How to be Kind.
13. When NOT to be Kind.
14. General first aid, including how to deliver a baby.
15. Know who to call for what and when to call.
16. Know how to teach.
17. Know how to learn.
18. Know how to relax.
19. Learn to recognize beauty.
20. Most of all, learn how to THINK and REASON.

My list is stopping at 20, I think the last one says it all.