#4

Eat mostly what is grown, caught Or found in your own yard, your community, or around your community. Eat seasonally and celebrate the coming and going of seasons.

#3

Have an agreed upon code of honor and agreed upon responses to breaches of that honor. Follow through. 

#2

No society should be closed, but it also shouldn't be so open that it destroys itself.

Community should come first: if a new technology or "advancement opportunity" comes along, it should be weighed by its usefulness for the community as a whole, not a few people in it. It should be adopted only if it aligns with the social ideals established and agreed upon, and there should be checks and balances to be sure it's actually working the way it's meant to--and it should be abandoned or replaced if it isn't.

#1

It should be standard practice that kids who are soon to hit puberty work in the creche with the babies.

That way, if they do wind up making babies, they aren't surprised by the work or effort it takes to raise one, and if they don't, they aren't afraid of babies.