The laws of physics are the same everywhere in the universe, and that is a profound truth that connects us all.
The laws that forbid the carrying of arms are laws of such a nature. They disarm only those who are neither inclined nor determined to commit crimes.... Such laws make things worse for the assaulted and better for the assailants; they serve rather to encourage than to prevent homicides, for an unarmed man may be attacked with greater confidence than an armed man.
Old minds are like old horses; you must exercise them if you wish to keep them in working order.