我四十而立之时，总觉得，当回顾我的一生，我会看到一系列的决定，一些是我仔细思考后作出的，一些是我无意而为的，还有很多是我根本无法掌控的。

Human beings, viewed as behaving systems, are quite simple. The apparent complexity of our behavior over time is largely a reflection of the complexity of the environment in which we find ourselves.

Efficiency without ethics is just speed in the wrong direction.