As we move towards 8 or 10 billion people on the planet, there's a little less gold per capita. Each one of us will continue to be fighting over an ever smaller percentage of total resources. This is not a happy thought.
We should have a system of licensing and registration, we should treat firearms the same way that automobiles are treated so that people have to pass a safety test.
When I left, I had learnt nothing. I took nothing with me. At least, that's what I thought then.