Constitutionality of National Day of Prayer?

Solution: Passing down values and morals with each generation.

If the survivors are in agreement (which presumably they would be since they most likely would have been active participants in the revolution) that the world that they had come from and are now moving away from was virtually evil in every aspect I think they/we would be determined to make sure it will not happen again.
At some point it all comes down to; do we want to destroy ourselves by destroying the land we live on? Or do we want to live with nature as intended the only harmonious way possible?