You can have all the arms you want, but they do no good if you can't keep the reasons from using them.

In effect, they (guns) are the tools to safeguard mutual coexistence, but this cannot be if we are ignorant of ourselves and our own power.

You have to recognize what an evil man is, you know him by his fruits. You have to know how the deceivers work (Matthew 10:16), else by being naive, and failing to teach your children are reasons for their future oppression.