[alexsilver]

You start acting. That's how.

[fit2rule]

Well, you start with your own education. Then, when you are confident that you are capable, you start with educating others.

How that works? Go there. Simply, go to the most impoverished place in the world that you can stand, and teach what you know.

This isn't so hard as it sounds, but for some reason is also (at the same time) one of the most difficult things in all the world for humankind to do.

Same as it ever was.