We've come to understand that it is our spiritual ignorance and errors from which flow all of our other problems. As we understand it, a Spiritual Principle is akin to a mathematical formula.
Survival means different things to different folks.
Learning primitive skills is becoming popular nation-wide, and we think the desire to learn these basics is good. Still, primitive skills are but one aspect of wilderness survival, or physical survival. There are folks who are black belts in economic survival. Unfortunately, when one is focused on just one aspect of survival, one sometimes gets into trouble. Look at the many stock brokers and investors who have done prison time.