I think how to approach learning is a good one. It's kind of the same ideas as if you give a man a fish he eats for a day, if you teach him to fish he eats for a lifetime. If kids were all given the ability to be excellent learners they could learn anything. 

grayruby

Magic Wand- Teach the Children of the world one thing

How to think and learn. How to identify meaningful questions and how to research those questions.

All of the things people wish school taught them but didn't, such as HoW tO Do TaXEs, are trivial if you know how to think and learn.

The rate at which we receive information and disinformation is ever increasing. Sometimes asking a simple question is enough to ignore something. If a simple question won't do, research is the next option. 