最好的肥料是农民的影子。

The only power any government has is the power to crack down on criminals. Well, when there aren't enough criminals, one makes them. One declares so many things to be a crime that it becomes impossible for men to live without breaking laws.

Mathematics is a way of thinking, not just a collection of facts.

天下没有不能教化的人，就害怕不诚心；天下没有不能干成的事，就怕立志不坚定。