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.

The Internet should be a tool for empowerment, not control.

领导力在于创造一个愿景，然后赋予他人实现它的能力。

画家必须完全准确地描述他们观察主题的体验。

追求知识是一生的旅程，而发现的喜悦是其最大的回报。

人类最大的敌人是自己。

我只希望在自己衰老前退休，否则我只会成为累赘。

出自北齐·颜之推《颜氏家训·省事》。很多的事情一起做，可能做好的却很少，还不如专心致志的做一件事情。