LESSON NO. 2: If a bureaucrat, or a soldier sent by a bureaucrat, comes to knock down your door and confiscate your firearms -- kill him. The disarmament of law-abiding citizens is the required precursor to genocide.
LESSON NO. 3: If a bureaucrat tells you that he must know if you have a firearm so he can put your name on a list for the common good, or wants to issue you an identity card so that you be more easily identified -- tell him to go to hell. Registration of people and firearms is the required precursor to the tyranny which permits genocide. Bureaucrats cannot send soldiers to doors that are not on their list.
I don’t own any firearms. They were all swept away in a flood. /s