【译文】 孔子说：“有益的朋友有三种，有害的朋友有三种。与正直的人交朋友、与诚实的人交朋友、与见多识广的人交朋友，有益处；与走邪门歪道的人交朋友、与谗媚奉迎的人交朋友、与花言巧语的人交朋友，有害处。”

Complexity is not just about the number of components in a system, but about the nature of their interactions.

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.

我相信直觉。如果感觉不对劲，那很可能就是有问题。

信仰是对上帝恩典的一种活生生的、大胆的信任，如此确定和肯定，以至于一个人可以一千次地赌上自己的生命。

A good chemist is a lazy chemist—always looking for the easiest way to do things.