永远不要低估一个执行得非常好的简单想法的力量。
Never underestimate the power of a simple idea executed exceptionally well.
赏赐并不能让人欢喜,责罚也不能让人畏惧。 
在我们推理关于事实的过程中,有各种可能的确证程度,从最高的确定性到最低级别的道德证据。
We are moving from an economy based on the production of goods to one based on the production of information.