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.
Speak confidently as if you are right, but listen carefully as if you are wrong.
创造力的本质是弄清楚如何利用你已经知道的东西来超越你已有的想法。