科学表明，我们的头脑会欺骗我们关于什么会让我们快乐。
The science shows that our minds lie to us about what will make us happy.
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.